64 lines
2.0 KiB
Docker
64 lines
2.0 KiB
Docker
# syntax=docker/dockerfile:1
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ARG PROJECT=examples/groups.fiatjaf.com
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# Create a stage for building the application.
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ARG GO_VERSION=1.23.4
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FROM --platform=$BUILDPLATFORM golang:${GO_VERSION} AS build
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WORKDIR /src
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ARG PROJECT
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# Download dependencies as a separate step to take advantage of Docker's caching.
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# Leverage a cache mount to /go/pkg/mod/ to speed up subsequent builds.
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# Leverage bind mounts to go.sum and go.mod to avoid having to copy them into
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# the container.
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RUN --mount=type=cache,target=/go/pkg/mod/ \
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--mount=type=bind,source=go.mod,target=go.mod \
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go mod download -x
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# This is the architecture you're building for, which is passed in by the builder.
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# Placing it here allows the previous steps to be cached across architectures.
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ARG TARGETARCH
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# Build the application.
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# Leverage a cache mount to /go/pkg/mod/ to speed up subsequent builds.
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# Leverage a bind mount to the current directory to avoid having to copy the
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# source code into the container.
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RUN --mount=type=cache,target=/go/pkg/mod/ \
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--mount=type=bind,target=. \
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CGO_ENABLED=1 GOARCH=$TARGETARCH go build -o /bin/server ./${PROJECT}
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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.
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FROM debian:bookworm-slim AS final
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RUN --mount=type=cache,target=/var/cache/apt \
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apt-get update && \
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apt-get install -y --no-install-recommends \
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ca-certificates \
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tzdata \
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libc6 \
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&& \
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rm -rf /var/lib/apt/lists/*
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# Create a non-privileged user that the app will run under.
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# See https://docs.docker.com/go/dockerfile-user-best-practices/
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# ARG UID=10001
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# RUN adduser \
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# --disabled-password \
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# --gecos "" \
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# --home "/nonexistent" \
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# --shell "/sbin/nologin" \
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# --no-create-home \
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# --uid "${UID}" \
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# appuser
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# USER appuser
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COPY --from=build /bin/server /app/
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RUN chmod ugo+x /app/server
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EXPOSE 4200
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CMD [ "/app/server" ] |