initial docker setup for bump

bump/Dockerfile

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+# Elixir + Phoenix
+
+FROM elixir:1.12.2
+
+# Install debian packages
+RUN apt-get update
+RUN apt-get install --yes build-essential inotify-tools postgresql-client
+
+# Install Phoenix packages
+RUN mix local.hex --force
+RUN mix local.rebar --force
+RUN mix archive.install hex phx_new --force
+
+COPY setup.sh /usr/local/bin/
+EXPOSE 4012
+ENTRYPOINT ["setup.sh"]

bump/setup.sh

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+#!/bin/sh
+# Adapted from Alex Kleissner's post, Running a Phoenix 1.3 project with docker-compose
+# https://medium.com/@hex337/running-a-phoenix-1-3-project-with-docker-compose-d82ab55e43cf
+
+cd /app/
+set -e
+
+# Ensure the app's dependencies are installed
+mix deps.get --only prod
+
+#Analysis style code
+# Prepare Credo if the project has Credo start code analyze
+if mix help credo >/dev/null 2>&1
+then
+  echo "\nFound Credo: analyzing..."
+  mix credo || true
+else
+  echo "\nNo Credo config: Skipping code analyze..."
+fi
+
+# Potentially Set up the database
+MIX_ENV=prod mix ecto.create
+MIX_ENV=prod mix ecto.migrate
+
+echo "\nTesting the installation..."
+# "Prove" that install was successful by running the tests
+mix test
+
+echo "\n Launching Phoenix web server..."
+# Start the phoenix web server
+PORT=4012 MIX_ENV=prod mix phx.server