use phoenix dockerfile
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@ -51,8 +51,9 @@ env:
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clear:
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PORT: 4000
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DATABASE_HOST: futureporn-db
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MIX_ENV: prod
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secret:
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- DATABASE_PASSWORD
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- DATABASE_URL
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# Aliases are triggered with "bin/kamal <alias>". You can overwrite arguments on invocation:
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# "bin/kamal logs -r job" will tail logs from the first server in the job section.
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@ -1,9 +1,3 @@
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## 2024-12-26 -- file created using `mix phx.gen.release --docker`
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# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian
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# instead of Alpine to avoid DNS resolution issues in production.
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#
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@ -16,37 +10,19 @@
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# - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20241202-slim - for the release image
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# - https://pkgs.org/ - resource for finding needed packages
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# - Ex: hexpm/elixir:1.17.3-erlang-27.1.2-debian-bullseye-20241202-slim
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# - https://gitlab.com/ericlathrop/dockerize_elixir/-/blob/main/priv/templates/Dockerfile?ref_type=heads
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#
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ARG ELIXIR_VERSION=1.17.3
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ARG OTP_VERSION=27.1.2
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ARG DEBIAN_VERSION=bullseye-20241202-slim
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ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
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ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
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FROM elixir:1.17.3-alpine AS dev
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# FROM hexpm/elixir:1.17.3-erlang-27.1.2-debian-bullseye-20241202-slim AS dev
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FROM ${BUILDER_IMAGE} as builder
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# install build dependencies
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RUN \
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apk add --no-cache \
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build-base \
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npm \
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git \
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python3 \
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make \
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cmake \
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openssl-dev \
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libsrtp-dev \
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ffmpeg-dev \
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clang-dev \
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inotify-tools
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RUN \
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mkdir /home/user \
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&& chown 1000.1000 /home/user
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ENV HOME=/home/user
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USER 1000:1000
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RUN apt-get update -y && apt-get install -y build-essential git \
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&& apt-get clean && rm -f /var/lib/apt/lists/*_*
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# prepare build dir
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WORKDIR /app
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@ -56,21 +32,73 @@ RUN mix local.hex --force && \
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mix local.rebar --force
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# set build ENV
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ENV MIX_ENV="dev"
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ENV DATABASE_URL=""
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ENV PORT=""
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ENV MIX_ENV="prod"
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# install mix dependencies
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COPY ./services/bright/mix.exs ./services/bright/mix.lock ./
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COPY mix.exs mix.lock ./
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RUN mix deps.get --only $MIX_ENV
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RUN mkdir config
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# copy compile-time config files before we compile dependencies
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# to ensure any relevant config change will trigger the dependencies
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# to be re-compiled.
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COPY ./services/bright/config/config.exs ./services/bright/config/${MIX_ENV}.exs config/
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COPY ./services/bright/priv priv
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COPY ./services/bright/lib lib
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COPY ./services/bright/assets assets
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COPY config/config.exs config/${MIX_ENV}.exs config/
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RUN mix deps.compile
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COPY priv priv
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COPY lib lib
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COPY assets assets
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# compile assets
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RUN mix assets.deploy
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# Compile the release
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RUN mix compile
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# Changes to config/runtime.exs don't require recompiling the code
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COPY config/runtime.exs config/
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COPY rel rel
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RUN mix release
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## dev target
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FROM builder AS dev
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WORKDIR "/app"
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CMD [ "mix", "ecto.setup", "&&", "mix", "phx.server" ]
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# start a new build stage so that the final image will only contain
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# the compiled release and other runtime necessities
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FROM ${RUNNER_IMAGE} AS prod
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RUN apt-get update -y && \
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apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates \
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&& apt-get clean && rm -f /var/lib/apt/lists/*_*
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# Set the locale
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
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ENV LANG en_US.UTF-8
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ENV LANGUAGE en_US:en
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ENV LC_ALL en_US.UTF-8
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WORKDIR "/app"
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RUN chown nobody /app
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# set runner ENV
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ENV MIX_ENV="prod"
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# Only copy the final release from the build stage
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COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/bright ./
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USER nobody
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# If using an environment that doesn't automatically reap zombie processes, it is
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# advised to add an init process such as tini via `apt-get install`
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# above and adding an entrypoint. See https://github.com/krallin/tini for details
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# ENTRYPOINT ["/tini", "--"]
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CMD ["/app/bin/server"]
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@ -3,8 +3,8 @@ import Config
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# Configure the database
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config :bright, Bright.Repo,
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username: "postgres",
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password: "#{System.get_env("DATABASE_PASSWORD")}",
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hostname: "#{System.get_env("DATABASE_HOSTNAME")}",
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password: "password",
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hostname: "db",
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database: "bright",
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stacktrace: true,
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show_sensitive_data_on_connection_error: true,
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