Kevin Sivic
90cfeec59b
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- Reorder Dockerfile to create phoenix user before copying entrypoint.sh - Use --chown flag to set proper ownership of entrypoint.sh - Resolves "Permission denied" error when starting container 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
67 lines
1.3 KiB
Docker
67 lines
1.3 KiB
Docker
# Build stage
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FROM elixir:1.17-alpine AS build
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# Install build dependencies
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RUN apk add --no-cache build-base git
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# Prepare build dir
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WORKDIR /app
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# Install hex + rebar
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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=prod
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# Install mix dependencies
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COPY mix.exs mix.lock ./
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RUN mix deps.get --only prod
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RUN mix deps.compile
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# Copy application files
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COPY config config
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COPY priv priv
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COPY lib lib
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# Compile the project (generates phoenix-colocated files)
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RUN mix compile
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# Copy assets after compilation
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COPY assets assets
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# Compile and deploy assets
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RUN mix assets.deploy
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# Build release
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RUN mix release
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# App stage - use same elixir base to ensure OpenSSL compatibility
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FROM elixir:1.17-alpine AS app
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# Install runtime dependencies
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RUN apk add --no-cache \
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libstdc++ \
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openssl \
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ncurses-libs
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WORKDIR /app
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# Copy the release from build stage
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COPY --from=build /app/_build/prod/rel/my_first_elixir_vibe_code ./
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# Create a non-root user
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RUN addgroup -g 1000 phoenix && \
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adduser -D -u 1000 -G phoenix phoenix && \
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chown -R phoenix:phoenix /app
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# Copy entrypoint script and set permissions
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COPY --chown=phoenix:phoenix entrypoint.sh /entrypoint.sh
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RUN chmod +x /entrypoint.sh
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USER phoenix
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EXPOSE 4000
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ENTRYPOINT ["/entrypoint.sh"]
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CMD ["bin/my_first_elixir_vibe_code", "start"]
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