68 lines
1.6 KiB
Text
68 lines
1.6 KiB
Text
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# Use an official Elixir runtime as a parent image
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FROM elixir:1.12-slim AS build
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# Set the environment to production
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ENV MIX_ENV=prod
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# Install system dependencies
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RUN apt-get update && \
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apt-get install -y build-essential sqlite3 libsqlite3-dev && \
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apt-get clean
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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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# Create the application build directory
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WORKDIR /app
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# Copy our mix files and fetch our dependencies
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COPY mix.exs mix.lock ./
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COPY config config
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RUN mix do deps.get, deps.compile
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# Set Node.js environment to production
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ENV NODE_ENV=production
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# Use Node.js to install assets
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FROM node:14 AS node-build
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WORKDIR /app/assets
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COPY assets/package.json assets/package-lock.json ./
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RUN npm install
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COPY assets/ ./
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RUN npm run deploy
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# Switch back to our Elixir image to continue building
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FROM build AS app-build
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WORKDIR /app
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COPY --from=node-build /app/assets/build ./priv/static
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RUN mix phx.digest
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# Copy our application source code
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COPY lib lib
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COPY priv priv
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# Compile and build the application
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RUN mix do compile, phx.digest
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# Create the release
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RUN mix release
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# ---- Application Stage ----
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FROM debian:buster-slim AS app
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# Install runtime dependencies
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RUN apt-get update && apt-get install -y openssl libsqlite3-0 && apt-get clean
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# Create and switch to the app user
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RUN useradd --create-home app
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USER app
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WORKDIR /home/app
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# Copy over the build artifact from the previous step and create a symlink
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COPY --from=build --chown=app:app /app/_build/prod/rel/my_app ./
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RUN ln -s /home/app/my_app/bin/my_app /home/app/bin
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# Specify the entry point
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ENTRYPOINT ["bin/my_app", "start"]
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