Update Dockerfile

Dockerfile

@@ -1,38 +1,7 @@
-# Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
-# See License.txt for license information.
-FROM postgres:12
+FROM postgres:latest
 
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
-RUN apt-get update && apt-get install -y ca-certificates
+ENV POSTGRES_USER=postgres
+ENV POSTGRES_PASSWORD=password
+ENV POSTGRES_DB=mydatabase
 
-#
-# Configure SQL
-#
-
-ENV POSTGRES_USER=mmuser
-ENV POSTGRES_PASSWORD=mostest
-ENV POSTGRES_DB=mattermost_test
-
-#
-# Configure Mattermost
-#
-WORKDIR /mm
-
-# Copy over files
-ADD https://releases.mattermost.com/9.7.1/mattermost-team-9.7.1-linux-amd64.tar.gz .
-RUN tar -zxvf mattermost-team-*-linux-amd64.tar.gz
-ADD config_docker.json ./mattermost/config/config_docker.json
-ADD docker-entry.sh .
-
-RUN chmod +x ./docker-entry.sh
-ENTRYPOINT ./docker-entry.sh
-
-# Mattermost environment variables
-ENV PATH="/mm/mattermost/bin:${PATH}"
-
-# Create default storage directory
-RUN mkdir ./mattermost-data
-VOLUME /mm/mattermost-data
-
-# Ports
-EXPOSE 8065
+EXPOSE 5432