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Dockerfile

@@ -1,4 +1,31 @@
-FROM mattermost/mattermost-prod-app
+FROM ubuntu:16.04
 MAINTAINER Glenn Y. Rolland <glenux@glenux.net>
 
+# Some ENV variables
+ENV PATH="/mattermost/bin:${PATH}"
+ENV MM_VERSION=4.4.1
+
+# Install some needed packages
+RUN apt-get update \
+    && apt-get -y --no-install-recommends install \
+      curl jq netcat ca-certificates \
+    && rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin
+
+# Get Mattermost
+RUN mkdir -p /mattermost/data \
+    && curl https://releases.mattermost.com/$MM_VERSION/mattermost-team-$MM_VERSION-linux-amd64.tar.gz | tar -xvz ; \
+    && cp /mattermost/config/config.json /config.json.save \
+    && rm -rf /mattermost/config/config.json
+
+# Configure entrypoint and command
+COPY entrypoint.sh /
+ENTRYPOINT ["/entrypoint.sh"]
+WORKDIR /mattermost/bin
+CMD ["platform"]
+
+# Expose port 80 of the container
+EXPOSE 80
+
+# Use a volume for the data directory
+VOLUME /mattermost/data