Bring over elixir from remote.

.dockerignore

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+# flyctl launch added from .elixir_ls/.gitignore
+.elixir_ls/**/*
+
+# flyctl launch added from .gitignore
+# The directory Mix will write compiled artifacts to.
+_build
+
+# If you run "mix test --cover", coverage assets end up here.
+cover
+
+# The directory Mix downloads your dependencies sources to.
+deps
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+doc
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+**/erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+**/*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+**/chat-*.tar
+
+# Ignore assets that are produced by build tools.
+priv/static/assets
+
+# Ignore digested assets cache.
+priv/static/cache_manifest.json
+
+# In case you use Node.js/npm, you want to ignore these.
+**/npm-debug.log
+assets/node_modules
+
+**/.vscode
+**/.env

.formatter.exs

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+[
+  import_deps: [:ecto, :ecto_sql, :phoenix],
+  subdirectories: ["priv/*/migrations"],
+  plugins: [Phoenix.LiveView.HTMLFormatter],
+  inputs: ["*.{heex,ex,exs}", "{config,lib,test}/**/*.{heex,ex,exs}", "priv/*/seeds.exs"]
+]

.github/dependabot.yml

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+version: 2
+updates:
+- package-ecosystem: mix
+  directory: "/"
+  schedule:
+    interval: weekly
+    time: "17:00"
+    timezone: Europe/London
+  ignore:
+      # ignore all patch updates in dev dependencies ref: github.com/dwyl/technology-stack/issues/126 [alphabetical list]
+    - dependency-name: "credo"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "dialyxir"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "excoveralls"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "ex_doc"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "esbuild"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "floki"
+      update-types: ["version-update:semver-patch"]
+    - dependency-name: "phoenix_live_reload"
+      update-types: ["version-update:semver-patch"]

.github/workflows/ci.yml

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+name: Elixir CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build and test
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:12
+        ports: ['5432:5432']
+        env:
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Elixir
+      uses: erlef/setup-beam@v1
+      with:
+        elixir-version: '1.14.2' # Define the elixir version [required]
+        otp-version: '25.1.2' # Define the OTP version [required]
+    - name: Restore dependencies cache
+      uses: actions/cache@v2
+      with:
+        path: deps
+        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
+        restore-keys: ${{ runner.os }}-mix-
+    - name: Install dependencies
+      run: mix deps.get
+    - name: Run Tests
+      run: mix coveralls.json
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        MIX_ENV: test
+        AUTH_API_KEY: ${{ secrets.AUTH_API_KEY }}
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+
+  # Continuous Deployment to Fly.io
+  # https://fly.io/docs/app-guides/continuous-deployment-with-github-actions/
+  deploy:
+    name: Deploy app
+    runs-on: ubuntu-latest
+    needs: build
+    # https://stackoverflow.com/questions/58139406/only-run-job-on-specific-branch-with-github-actions
+    if: github.ref == 'refs/heads/main'
+    env:
+      FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: superfly/[email protected]
+        with:
+          args: "deploy"

.gitignore

@@ -1,2 +1,40 @@
-node_modules
-tmp
+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+chat-*.tar
+
+# Ignore assets that are produced by build tools.
+/priv/static/assets/
+/priv/static
+
+# Ignore digested assets cache.
+/priv/static/cache_manifest.json
+
+# In case you use Node.js/npm, you want to ignore these.
+npm-debug.log
+/assets/node_modules/
+
+.vscode/
+.env
+.DS_Store
+
+.elixir_ls

.gitmodules

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+[submodule "bartender"]
+	path = bartender
+	url = https://github.com/stalepretzels/bartender

Dockerfile

@@ -1,16 +1,95 @@
-# Use the official Node.js image as the base image
-FROM node:20.5.1
+# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian instead of
+# Alpine to avoid DNS resolution issues in production.
+#
+# https://hub.docker.com/r/hexpm/elixir/tags?page=1&name=ubuntu
+# https://hub.docker.com/_/ubuntu?tab=tags
+#
+#
+# This file is based on these images:
+#
+#   - https://hub.docker.com/r/hexpm/elixir/tags - for the build image
+#   - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20220801-slim - for the release image
+#   - https://pkgs.org/ - resource for finding needed packages
+#   - Ex: hexpm/elixir:1.14.1-erlang-25.1.1-debian-bullseye-20220801-slim
+#
+ARG ELIXIR_VERSION=1.14.1
+ARG OTP_VERSION=25.1.1
+ARG DEBIAN_VERSION=bullseye-20220801-slim
 
-# Set the working directory in the container
+ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
+ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
+
+FROM ${BUILDER_IMAGE} as builder
+
+# install build dependencies
+RUN apt-get update -y && apt-get install -y build-essential git \
+    && apt-get clean && rm -f /var/lib/apt/lists/*_*
+
+# prepare build dir
 WORKDIR /app
 
-# Copy the application files into the working directory
-COPY . /app
+# install hex + rebar
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+# set build ENV
+ENV MIX_ENV="prod"
+
+# install mix dependencies
+COPY mix.exs mix.lock ./
+RUN mix deps.get --only $MIX_ENV
+RUN mkdir config
+
+# copy compile-time config files before we compile dependencies
+# to ensure any relevant config change will trigger the dependencies
+# to be re-compiled.
+COPY config/config.exs config/${MIX_ENV}.exs config/
+RUN mix deps.compile
+
+COPY priv priv
+
+COPY lib lib
+
+COPY assets assets
+
+# compile assets
+RUN mix assets.deploy
+
+# Compile the release
+RUN mix compile
+
+# Changes to config/runtime.exs don't require recompiling the code
+COPY config/runtime.exs config/
+
+COPY rel rel
+RUN mix release
+
+# start a new build stage so that the final image will only contain
+# the compiled release and other runtime necessities
+FROM ${RUNNER_IMAGE}
+
+RUN apt-get update -y && apt-get install -y libstdc++6 openssl libncurses5 locales \
+  && apt-get clean && rm -f /var/lib/apt/lists/*_*
+
+# Set the locale
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+WORKDIR "/app"
+RUN chown nobody /app
+
+# set runner ENV
+ENV MIX_ENV="prod"
 
-# Install the application dependencies
-RUN yarn install
+# Only copy the final release from the build stage
+COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/chat ./
 
-EXPOSE 8443/tcp
+USER nobody
 
-# Define the entry point for the container
-CMD ["node", "index.js"]
+CMD ["/app/bin/server"]
+# Appended by flyctl
+ENV ECTO_IPV6 true
+ENV ERL_AFLAGS "-proto_dist inet6_tcp"