diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/IndexerGcpApplication.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/IndexerGcpApplication.java
index f72e93440739667f6f7ad9a5694a39e32eedf4aa..6ee70305369eba6f03ef966ce1d442f336eaa87b 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/IndexerGcpApplication.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/IndexerGcpApplication.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer;
 
 import org.springframework.boot.SpringApplication;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/ServletInitializer.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/ServletInitializer.java
index 0e5ee0a8243d6365fac37b98f0a4a42b2368e85b..dd76cbdb7cc7fa44954c59b4a0e69088dc532f55 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/ServletInitializer.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/ServletInitializer.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer;
 
 import org.springframework.boot.builder.SpringApplicationBuilder;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/AttributesCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/AttributesCache.java
index 889e4476794ea42013afbb1a0ecb49e09e5f0371..0f66e377bb331e53a55b16c5cfceae4895dd9684 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/AttributesCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/AttributesCache.java
@@ -14,13 +14,12 @@
 
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
-import org.opengroup.osdu.core.common.model.search.ClusterSettings;
 import org.opengroup.osdu.core.common.provider.interfaces.IAttributesCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
+
+import javax.inject.Inject;
 import java.util.Set;
 
 @Component
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/DatastoreCredentialCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/DatastoreCredentialCache.java
index 0084dcb2c5e729066923b880108071e527e41b1d..6a3b330aad0dcc5a7ba09687a82e0c5e1f53548c 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/DatastoreCredentialCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/DatastoreCredentialCache.java
@@ -18,14 +18,13 @@ import com.google.auth.oauth2.AccessToken;
 import org.opengroup.osdu.core.common.cache.RedisCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 @Component
 public class DatastoreCredentialCache extends RedisCache<String, AccessToken> {
 
-	@Autowired
-	public DatastoreCredentialCache(final IndexerConfigurationProperties configurationProperties) {
-		super(configurationProperties.getRedisSearchHost(), Integer.parseInt(configurationProperties.getRedisSearchPort()), 58 * 60, String.class, AccessToken.class);
-	}
+    @Autowired
+    public DatastoreCredentialCache(final IndexerConfigurationProperties configurationProperties) {
+        super(configurationProperties.getRedisSearchHost(), Integer.parseInt(configurationProperties.getRedisSearchPort()), 58 * 60, String.class, AccessToken.class);
+    }
 }
\ No newline at end of file
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/ElasticCredentialsCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/ElasticCredentialsCache.java
index 8a5e763e783d01b0c4696d9ebc77a51e50ba3c7f..720d21c7256f4bbd838431de4b9e25336587035e 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/ElasticCredentialsCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/ElasticCredentialsCache.java
@@ -1,13 +1,30 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
 import org.opengroup.osdu.core.common.model.search.ClusterSettings;
 import org.opengroup.osdu.core.common.provider.interfaces.IElasticCredentialsCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.inject.Inject;
+
 @Component
 public class ElasticCredentialsCache implements IElasticCredentialsCache<String, ClusterSettings>, AutoCloseable {
 
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/IndexCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/IndexCache.java
index 2e8ead781a1f5e0b9b303ee411b953057696dbe2..7f7911db5d70cf5a5c34c77c828fa67e68adbc8d 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/IndexCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/IndexCache.java
@@ -1,13 +1,29 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
-import org.opengroup.osdu.core.common.model.search.ClusterSettings;
 import org.opengroup.osdu.core.common.provider.interfaces.IIndexCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.inject.Inject;
+
 @Component
 public class IndexCache implements IIndexCache<String, Boolean>, AutoCloseable {
     private RedisCache<String, Boolean> cache;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/JwtCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/JwtCache.java
index a44747cd6426255bd90d3085e95b04c182b84186..4ba364f5bd4523a44e07f74ec5dcd18c10f4ed11 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/JwtCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/JwtCache.java
@@ -1,20 +1,37 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
 import org.opengroup.osdu.core.common.model.search.IdToken;
 import org.opengroup.osdu.core.common.provider.interfaces.IJwtCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.inject.Inject;
+
 @Component
 public class JwtCache implements IJwtCache<String, IdToken>, AutoCloseable {
     RedisCache<String, IdToken> cache;
 
 
     // google service account id_token can be requested only for 1 hr
-    private final static int EXPIRED_AFTER = 59;
+    private static final int EXPIRED_AFTER = 59;
     @Inject
     public JwtCache(final IndexerConfigurationProperties properties) {
         cache = new RedisCache<>(properties.getRedisSearchHost(), Integer.parseInt(properties.getRedisSearchPort()),
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/KindsCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/KindsCache.java
index 92481f2418fd238c7c051d5c39a6d0b8becd50c0..e20d2f3ca240d33b44cc3bb9261593cae657f8ee 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/KindsCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/KindsCache.java
@@ -1,12 +1,28 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
 import org.opengroup.osdu.core.common.provider.interfaces.IKindsCache;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.inject.Inject;
 import java.util.Set;
 
 @Component
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/SchemaCache.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/SchemaCache.java
index 04f69cded8bea50fe3486349182a4d3e80a8bd01..0ee20756541b14b4c8a6d94fb153317722c233df 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/SchemaCache.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/cache/SchemaCache.java
@@ -1,13 +1,29 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.cache;
 
-import javax.inject.Inject;
 import org.opengroup.osdu.core.common.cache.RedisCache;
-import org.opengroup.osdu.core.common.model.search.ClusterSettings;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
 import org.opengroup.osdu.indexer.provider.interfaces.ISchemaCache;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.inject.Inject;
+
 @Component
 public class SchemaCache implements ISchemaCache<String, String>, AutoCloseable {
     private RedisCache<String, String> cache;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/DatastoreCredentialsCacheFactory.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/DatastoreCredentialsCacheFactory.java
index 94e9d343b980c905ff0b72941e5232e40ff42e8d..6f4d9b7505504f259ceca3d3b8e1834dc53f91ba 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/DatastoreCredentialsCacheFactory.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/DatastoreCredentialsCacheFactory.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.di;
 
 import org.opengroup.osdu.core.common.cache.ICache;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/EntitlementsClientFactory.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/EntitlementsClientFactory.java
index debcc593970c05f7d4b7291de7519e99c7155890..37e23c94763621e6b06123f2e51cdfd74f7f1507 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/EntitlementsClientFactory.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/EntitlementsClientFactory.java
@@ -31,10 +31,10 @@ import org.springframework.web.context.annotation.RequestScope;
 public class EntitlementsClientFactory extends AbstractFactoryBean<IEntitlementsFactory> {
 
 	@Value("${AUTHORIZE_API}")
-	private String AUTHORIZE_API;
+	private String authorizeApi;
 
 	@Value("${AUTHORIZE_API_KEY:}")
-	private String AUTHORIZE_API_KEY;
+	private String authorizeApiKey;
 
 	@Autowired
 	private HttpResponseBodyMapper mapper;
@@ -44,8 +44,8 @@ public class EntitlementsClientFactory extends AbstractFactoryBean<IEntitlements
 
 		return new EntitlementsFactory(EntitlementsAPIConfig
 				.builder()
-				.rootUrl(AUTHORIZE_API)
-				.apiKey(AUTHORIZE_API_KEY)
+				.rootUrl(authorizeApi)
+				.apiKey(authorizeApiKey)
 				.build(),
 				mapper);
 	}
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/PubSubExtensionsFactory.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/PubSubExtensionsFactory.java
index 256686206ea33b431d869cbb14b7c41cea009fc9..c0995677c674dc1192b4c9533903454af441cfeb 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/PubSubExtensionsFactory.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/di/PubSubExtensionsFactory.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.di;
 
 import org.opengroup.osdu.core.gcp.PubSub.PubSubExtensions;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/middleware/IndexFilter.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/middleware/IndexFilter.java
index 5bdf78f04d24485d4678cb3cb227b42df62dfe62..cd7d4622c847e13f109c6ee89adc8c679b645144 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/middleware/IndexFilter.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/middleware/IndexFilter.java
@@ -1,15 +1,31 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.middleware;
 
 import com.google.common.base.Strings;
 import lombok.extern.java.Log;
 import org.apache.http.HttpStatus;
-import org.opengroup.osdu.core.common.model.http.DpsHeaders;
-import org.opengroup.osdu.core.common.model.http.AppException;
 import org.opengroup.osdu.core.common.http.ResponseHeaders;
+import org.opengroup.osdu.core.common.model.http.AppException;
+import org.opengroup.osdu.core.common.model.http.DpsHeaders;
 import org.opengroup.osdu.core.common.model.search.DeploymentEnvironment;
 import org.opengroup.osdu.core.common.provider.interfaces.IRequestInfo;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpMethod;
 import org.springframework.stereotype.Component;
 
@@ -35,14 +51,11 @@ public class IndexFilter implements Filter {
     @Inject
     private IndexerConfigurationProperties properties;
 
-    private FilterConfig filterConfig;
-
-    private static final String PATH_SWAGGER = "/swagger.json";
     private static final String PATH_TASK_HANDLERS = "task-handlers";
     private static final String PATH_CRON_HANDLERS = "cron-handlers";
 
     @Override
-    public void init(FilterConfig filterConfig) throws ServletException {
+    public void init(FilterConfig filterConfig) {
     }
 
     @Override
@@ -61,10 +74,6 @@ public class IndexFilter implements Filter {
             checkWorkerApiAccess(requestInfo);
         }
 
-//        if (!httpRequest.isSecure()) {
-//            throw new AppException(302, "Redirect", "HTTP is not supported. Use HTTPS.");
-//        }
-
         filterChain.doFilter(servletRequest, servletResponse);
 
         HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/persistence/ElasticRepositoryDatastore.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/persistence/ElasticRepositoryDatastore.java
index 0c70475ae974c1fc47f52b926519b4a124ef20dd..7e773c20b9c7f12bec2878c7c3ef4d3d349f8ab1 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/persistence/ElasticRepositoryDatastore.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/persistence/ElasticRepositoryDatastore.java
@@ -20,16 +20,16 @@ import com.google.cloud.datastore.Entity;
 import com.google.cloud.datastore.Key;
 import lombok.extern.java.Log;
 import org.apache.http.HttpStatus;
+import org.opengroup.osdu.core.common.model.http.AppException;
 import org.opengroup.osdu.core.common.model.search.ClusterSettings;
 import org.opengroup.osdu.core.common.model.tenant.TenantInfo;
-import org.opengroup.osdu.core.common.model.http.AppException;
-import org.opengroup.osdu.core.common.provider.interfaces.IKmsClient;
 import org.opengroup.osdu.core.common.provider.interfaces.IElasticRepository;
+import org.opengroup.osdu.core.common.provider.interfaces.IKmsClient;
 import org.opengroup.osdu.core.common.search.Preconditions;
 import org.opengroup.osdu.core.gcp.multitenancy.DatastoreFactory;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
+
 import javax.inject.Inject;
 
 @Log
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/publish/PublisherImpl.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/publish/PublisherImpl.java
index 32d2dd6fc394eca3a11a95339cc9eca5599ddb2e..31d242cd46515f9b37907e458b510dd7a37557bd 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/publish/PublisherImpl.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/publish/PublisherImpl.java
@@ -26,18 +26,16 @@ import com.google.pubsub.v1.PubsubMessage;
 import lombok.extern.java.Log;
 import org.apache.http.HttpStatus;
 import org.elasticsearch.common.Strings;
-
-import org.opengroup.osdu.core.common.model.http.DpsHeaders;
-import org.opengroup.osdu.core.common.provider.interfaces.ITenantFactory;
-import org.opengroup.osdu.core.common.model.tenant.TenantInfo;
 import org.opengroup.osdu.core.common.model.http.AppException;
+import org.opengroup.osdu.core.common.model.http.DpsHeaders;
 import org.opengroup.osdu.core.common.model.indexer.JobStatus;
 import org.opengroup.osdu.core.common.model.indexer.RecordStatus;
+import org.opengroup.osdu.core.common.model.search.DeploymentEnvironment;
+import org.opengroup.osdu.core.common.model.tenant.TenantInfo;
+import org.opengroup.osdu.core.common.provider.interfaces.ITenantFactory;
+import org.opengroup.osdu.core.gcp.PubSub.PubSubExtensions;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
 import org.opengroup.osdu.indexer.provider.interfaces.IPublisher;
-import org.opengroup.osdu.core.gcp.PubSub.PubSubExtensions;
-import org.opengroup.osdu.core.common.model.search.DeploymentEnvironment;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.web.context.annotation.RequestScope;
 import org.threeten.bp.Duration;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/security/GSuiteSecurityConfig.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/security/GSuiteSecurityConfig.java
index c57564a198aae80b5cf4c8316488533467cbbc04..8be38e24bb075a6042ecf6aaafe312d97bb177b1 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/security/GSuiteSecurityConfig.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/security/GSuiteSecurityConfig.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.security;
 
 import org.springframework.context.annotation.Configuration;
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/RequestInfoImpl.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/RequestInfoImpl.java
index 03fddbbfa7f3df968506a2c609f2818fe4c10130..dffa1d5e0cb84f93b0d93d103a11738e10ed07a6 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/RequestInfoImpl.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/RequestInfoImpl.java
@@ -1,3 +1,20 @@
+/*
+  Copyright 2020 Google LLC
+  Copyright 2020 EPAM Systems, Inc
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
 package org.opengroup.osdu.indexer.util;
 
 import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
@@ -50,7 +67,7 @@ public class RequestInfoImpl implements IRequestInfo {
     @Value("${indexer.que.service.mail}")
     private String indexerQueServiceMail;
 
-    private static final String expectedCronHeaderValue = "true";
+    private static final String EXPECTED_CRON_HEADER_VALUE = "true";
 
     @Override
     public DpsHeaders getHeaders() {
@@ -83,7 +100,7 @@ public class RequestInfoImpl implements IRequestInfo {
     @Override
     public boolean isCronRequest() {
         String appEngineCronHeader = this.dpsHeaders.getHeaders().getOrDefault(CloudTaskHeaders.CLOUD_CRON_SERVICE, null);
-        return expectedCronHeaderValue.equalsIgnoreCase(appEngineCronHeader);
+        return EXPECTED_CRON_HEADER_VALUE.equalsIgnoreCase(appEngineCronHeader);
     }
 
     @Override
diff --git a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/ServiceAccountJwtGcpClientImpl.java b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/ServiceAccountJwtGcpClientImpl.java
index 6e946ac37ab029c2d0b8b718776bd28da71ad6b1..21af7655f45f1dcc797b5b819c2f10120067a3ba 100644
--- a/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/ServiceAccountJwtGcpClientImpl.java
+++ b/provider/indexer-gcp/src/main/java/org/opengroup/osdu/indexer/util/ServiceAccountJwtGcpClientImpl.java
@@ -38,16 +38,15 @@ import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.message.BasicNameValuePair;
 import org.apache.http.util.EntityUtils;
-import org.opengroup.osdu.core.common.model.http.DpsHeaders;
-import org.opengroup.osdu.core.common.provider.interfaces.ITenantFactory;
-import org.opengroup.osdu.core.common.model.tenant.TenantInfo;
+import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
 import org.opengroup.osdu.core.common.model.http.AppException;
+import org.opengroup.osdu.core.common.model.http.DpsHeaders;
 import org.opengroup.osdu.core.common.model.search.IdToken;
-import org.opengroup.osdu.core.common.logging.JaxRsDpsLog;
+import org.opengroup.osdu.core.common.model.tenant.TenantInfo;
 import org.opengroup.osdu.core.common.provider.interfaces.IJwtCache;
+import org.opengroup.osdu.core.common.provider.interfaces.ITenantFactory;
 import org.opengroup.osdu.core.common.util.IServiceAccountJwtClient;
 import org.opengroup.osdu.indexer.config.IndexerConfigurationProperties;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.web.context.annotation.RequestScope;
 
@@ -64,7 +63,7 @@ public class ServiceAccountJwtGcpClientImpl implements IServiceAccountJwtClient
     private static final String JWT_AUDIENCE = "https://www.googleapis.com/oauth2/v4/token";
     private static final String SERVICE_ACCOUNT_NAME_FORMAT = "projects/%s/serviceAccounts/%s";
 
-    private final JsonFactory JSON_FACTORY = new JacksonFactory();
+    private final JsonFactory jsonFactory = new JacksonFactory();
 
     private Iam iam;
 
@@ -100,7 +99,7 @@ public class ServiceAccountJwtGcpClientImpl implements IServiceAccountJwtClient
             Map<String, Object> signJwtPayload = this.getJWTCreationPayload(tenant);
 
             SignJwtRequest signJwtRequest = new SignJwtRequest();
-            signJwtRequest.setPayload(JSON_FACTORY.toString(signJwtPayload));
+            signJwtRequest.setPayload(jsonFactory.toString(signJwtPayload));
 
             String serviceAccountName = String.format(SERVICE_ACCOUNT_NAME_FORMAT, tenant.getProjectId(), tenant.getServiceAccount());
 
@@ -157,7 +156,7 @@ public class ServiceAccountJwtGcpClientImpl implements IServiceAccountJwtClient
             }
 
             // Create IAM API object associated with the authenticated transport.
-            this.iam = new Iam.Builder(httpTransport, JSON_FACTORY, credential)
+            this.iam = new Iam.Builder(httpTransport, jsonFactory, credential)
                     .setApplicationName(properties.getIndexerHost())
                     .build();
         }
diff --git a/provider/indexer-gcp/src/test/java/org/opengroup/osdu/indexer/service/IndexerSchemaServiceTest.java b/provider/indexer-gcp/src/test/java/org/opengroup/osdu/indexer/service/IndexerSchemaServiceTest.java
index 434e9bc803383e3034c65b4d8ea66fccd60fb25c..f286c07828bcd3af44fc0dad34762f9205b86b8c 100644
--- a/provider/indexer-gcp/src/test/java/org/opengroup/osdu/indexer/service/IndexerSchemaServiceTest.java
+++ b/provider/indexer-gcp/src/test/java/org/opengroup/osdu/indexer/service/IndexerSchemaServiceTest.java
@@ -229,9 +229,9 @@ public class IndexerSchemaServiceTest {
         try {
             this.sut.processSchemaMessages(schemaMessages);
         } catch (AppException e) {
-            assertEquals(e.getError().getCode(), RequestStatus.SCHEMA_CONFLICT);
-            assertEquals(e.getError().getMessage(), "error creating or merging index mapping");
-            assertEquals(e.getError().getReason(), reason);
+            assertEquals(RequestStatus.SCHEMA_CONFLICT, e.getError().getCode());
+            assertEquals("error creating or merging index mapping", e.getError().getMessage());
+            assertEquals(reason, e.getError().getReason());
         } catch (Exception e) {
             fail("Should not throw this exception " + e.getMessage());
         }
@@ -262,9 +262,9 @@ public class IndexerSchemaServiceTest {
         try {
             this.sut.processSchemaMessages(schemaMessages);
         } catch (AppException e) {
-            assertEquals(e.getError().getCode(), HttpStatus.SC_FORBIDDEN);
-            assertEquals(e.getError().getMessage(), "blah");
-            assertEquals(e.getError().getReason(), reason);
+            assertEquals(HttpStatus.SC_FORBIDDEN, e.getError().getCode());
+            assertEquals("blah", e.getError().getMessage());
+            assertEquals(reason, e.getError().getReason());
         } catch (Exception e) {
             fail("Should not throw this exception " + e.getMessage());
         }
@@ -358,9 +358,9 @@ public class IndexerSchemaServiceTest {
         try {
             this.sut.syncIndexMappingWithStorageSchema(kind);
         } catch (AppException e) {
-            assertEquals(e.getError().getCode(), HttpStatus.SC_CONFLICT);
-            assertEquals(e.getError().getMessage(), "blah");
-            assertEquals(e.getError().getReason(), "Index deletion error");
+            assertEquals(HttpStatus.SC_CONFLICT, e.getError().getCode());
+            assertEquals("blah", e.getError().getMessage());
+            assertEquals("Index deletion error", e.getError().getReason());
         } catch (Exception e) {
             fail("Should not throw this exception " + e.getMessage());
         }