Ilia Denisov
61 lines
1.6 KiB
Docker
61 lines
1.6 KiB
Docker
# syntax=docker/dockerfile:1.7
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# Build context is the workspace root (galaxy/), not the game/ subdirectory,
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# because the game module pulls galaxy/{calc,error,model,util} through the
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# go.work replace directives. Build with:
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#
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# docker build -t galaxy/game:test -f game/Dockerfile .
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FROM golang:1.26.2-alpine AS builder
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WORKDIR /src
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ENV CGO_ENABLED=0 GOFLAGS=-trimpath
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# Only the four pkg/ modules the engine binary actually imports.
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COPY pkg/calc/ ./pkg/calc/
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COPY pkg/error/ ./pkg/error/
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COPY pkg/model/ ./pkg/model/
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COPY pkg/util/ ./pkg/util/
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COPY game/ ./game/
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# Minimal workspace. The repository-level go.work also lists service
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# modules (lobby, notification, ...) that the engine binary does not
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# need, so we synthesise a workspace tailored to this image instead of
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# dragging the rest of the monorepo into the build context.
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RUN <<'EOF' cat > go.work
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go 1.26.2
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use (
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./game
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./pkg/calc
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./pkg/error
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./pkg/model
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./pkg/util
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)
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replace (
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galaxy/calc v0.0.0 => ./pkg/calc
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galaxy/error v0.0.0 => ./pkg/error
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galaxy/model v0.0.0 => ./pkg/model
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galaxy/util v0.0.0 => ./pkg/util
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)
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EOF
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RUN --mount=type=cache,target=/root/.cache/go-build \
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--mount=type=cache,target=/go/pkg/mod \
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go build -ldflags="-s -w" -o /out/server ./game/cmd/http
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FROM gcr.io/distroless/static-debian12:nonroot AS runtime
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LABEL com.galaxy.cpu_quota="1.0"
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LABEL com.galaxy.memory="512m"
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LABEL com.galaxy.pids_limit="512"
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LABEL org.opencontainers.image.title="galaxy-game-engine"
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ENV STORAGE_PATH=/var/lib/galaxy-game
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EXPOSE 8080
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USER nonroot:nonroot
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COPY --from=builder /out/server /usr/local/bin/server
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ENTRYPOINT ["/usr/local/bin/server"]
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