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92 lines
2.6 KiB
92 lines
2.6 KiB
# Dockerfile is modified from the example given on the LogRocket blog |
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# https://blog.logrocket.com/run-phoenix-application-docker/ |
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ARG ELIXIR_VERSION=1.17.3 |
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ARG OTP_VERSION=27.3.4.7 |
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ARG DEBIAN_VERSION=trixie-20260202-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 ${BUILDER_IMAGE} AS builder |
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# Set the locale |
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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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# Install dependencies, including C build tools for libsecp256k1 |
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RUN apt-get update && \ |
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apt-get install -y --no-install-recommends erlang-dev build-essential make gcc git autoconf automake libtool pkg-config && \ |
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apt-get clean && \ |
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rm -f /var/lib/apt/lists/*_* |
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# Create a build directory and copy in the project files |
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WORKDIR /app |
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# Install Hex and Rebar |
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RUN mix local.hex --force && \ |
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mix local.rebar --force |
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# Configure for prod build |
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ENV MIX_ENV="prod" |
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# Install Elixir application dependencies |
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COPY mix.exs mix.lock ./ |
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RUN mix deps.get --only ${MIX_ENV} |
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# Copy in config files before compiling dependencies. |
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# This ensures config changes will force recompilation of dependencies. |
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RUN mkdir config |
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COPY config/config.exs config/${MIX_ENV}.exs config/ |
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# Compile Elixir application dependencies |
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RUN mix deps.compile |
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# Copy in static assets and source code |
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# Note: Swagger docs must be generated before deployment; this image does not generate them. |
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COPY priv priv |
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COPY lib lib |
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# Compile the app for production |
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RUN mix compile |
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# Copy in runtime config files. |
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# Other config files are baked into the compilation, but runtime config is applied at runtime. |
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COPY config/runtime.exs config/ |
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# Copy in any release files and create a release |
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COPY rel rel |
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RUN mix release |
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# Lean runtime stage (NIFs ship compiled libs; lib_secp256k1 links libsecp256k1 statically in the builder). |
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FROM ${RUNNER_IMAGE} |
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RUN apt-get update && \ |
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apt-get install -y --no-install-recommends \ |
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ca-certificates \ |
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libstdc++6 \ |
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libncurses6 \ |
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locales \ |
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openssl && \ |
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apt-get clean && \ |
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rm -f /var/lib/apt/lists/*_* |
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# Set the runtime locale |
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \ |
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locale-gen |
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ENV LANG=en_US.UTF-8 |
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ENV LANGUAGE=en_US:en |
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ENV LC_ALL=en_US.UTF-8 |
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# Transfer ownership of the app directory to the runtime user |
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WORKDIR "/app" |
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RUN chown 1008:1008 /app |
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ENV MIX_ENV="prod" |
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# Copy the final compiled release into the runtime stage |
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COPY --from=builder --chown=1008:1008 /app/_build/${MIX_ENV}/rel/gc_index_relay ./ |
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USER 1008 |
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# Run the compiled binary |
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CMD ["/app/bin/server"]
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