66 lines
2.5 KiB
Docker
66 lines
2.5 KiB
Docker
# syntax=docker/dockerfile:1
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# Comments are provided throughout this file to help you get started.
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# If you need more help, visit the Dockerfile reference guide at
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# https://docs.docker.com/reference/dockerfile/
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################################################################################
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# Create a stage for building the application.
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ARG RUST_VERSION=1.93.1
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ARG APP_NAME=osm-proxy
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FROM rust:${RUST_VERSION}-slim-bullseye AS build
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ARG APP_NAME
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WORKDIR /app
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# Build the application.
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# Leverage a cache mount to /usr/local/cargo/registry/
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# for downloaded dependencies and a cache mount to /app/target/ for
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# compiled dependencies which will speed up subsequent builds.
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# Leverage a bind mount to the src directory to avoid having to copy the
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# source code into the container. Once built, copy the executable to an
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# output directory before the cache mounted /app/target is unmounted.
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RUN --mount=type=bind,source=src,target=src \
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--mount=type=bind,source=Cargo.toml,target=Cargo.toml \
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--mount=type=bind,source=Cargo.lock,target=Cargo.lock \
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--mount=type=cache,target=/app/target/ \
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--mount=type=cache,target=/usr/local/cargo/registry/ \
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<<EOF
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set -e
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cargo build --locked --release
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cp ./target/release/$APP_NAME /app/server
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EOF
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################################################################################
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# Create a new stage for running the application that contains the minimal
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# runtime dependencies for the application. This often uses a different base
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# image from the build stage where the necessary files are copied from the build
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# stage.
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#
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# The example below uses the debian bullseye image as the foundation for running the app.
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# By specifying the "bullseye-slim" tag, it will also use whatever happens to be the
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# most recent version of that tag when you build your Dockerfile. If
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# reproducibility is important, consider using a digest
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# (e.g., debian@sha256:ac707220fbd7b67fc19b112cee8170b41a9e97f703f588b2cdbbcdcecdd8af57).
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FROM debian:bullseye-slim AS final
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# Create a non-privileged user that the app will run under.
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# See https://docs.docker.com/develop/develop-images/dockerfile_best-practices/ #user
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RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates
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WORKDIR /app
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# Copy the executable from the "build" stage.
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COPY --from=build /app/server /app/
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COPY entry.sh /app/entry.sh
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RUN ["chmod", "+x", "/app/entry.sh"]
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RUN ["chmod", "+x", "/app/server"]
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# Expose the port that the application listens on.
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EXPOSE 3000
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# What the container should run when it is started.
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ENTRYPOINT ["/app/entry.sh"]
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CMD ["/app/server"] |