Merge branch 'MSCOSDU-132-fix-image' into 'master'

Mscosdu 132 fix image

See merge request !5

Dockerfile

@@ -23,27 +23,30 @@ LABEL org.opencontainers.image.url=$VCS_URL \
 # See: https://github.com/Docker-Hub-frolvlad/docker-alpine-python3/pull/13
 ENV PYTHONUNBUFFERED=1
 
-
 RUN \
   # Add edge repo
-  echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/main' >> /etc/apk/repositories && \
-  echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories && \
-  echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories && \
+  echo 'http://dl-cdn.alpinelinux.org/alpine/edge/main' >> /etc/apk/repositories && \
+  echo 'http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories && \
   \
   # Update packages
-  apk update --no-cache && apk --no-cache upgrade && \
+  apk update && apk upgrade --available && sync && \
     # Install Python
-  apk add --no-cache python3 && \
+  apk add python3 && \
   if [ ! -e /usr/bin/python ]; then ln -sf python3 /usr/bin/python ; fi && \
   \
   \
   # Install PiP
   python3 -m ensurepip && \
   rm -r /usr/lib/python*/ensurepip && \
-  pip3 install --no-cache --upgrade pip setuptools wheel && \
+  pip3 install --upgrade pip setuptools wheel && \
   if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi
 
-RUN apk add busybox==1.35.0-r22 --update-cache --repository https://dl-cdn.alpinelinux.org/alpine/edge/main --allow-untrusted
+# Install busybox
+RUN apk add busybox --repository http://dl-cdn.alpinelinux.org/alpine/edge/main --allow-untrusted
+
+# Clear cache
+RUN rm -rf /var/cache/apk/* \
+    rm -rf /tmp/*
 
 # Create a non root user
 RUN addgroup --system osdu && adduser --system osdu --ingroup osdu