39 lines
1.2 KiB
Text
39 lines
1.2 KiB
Text
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# syntax=docker/dockerfile:1.7
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# ---------- build ----------
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FROM golang:1.23-alpine3.21 AS build
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ENV CGO_ENABLED=0 \
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GOOS=linux \
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GOFLAGS="-trimpath"
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WORKDIR /src
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# Pre-cache module metadata before copying sources. approval-service is
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# currently stdlib-only (no go.sum), but `go mod download` on a sum-less
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# module is a no-op and keeps the layer stable if a go.sum is added later.
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COPY services/approval-service/go.mod ./services/approval-service/
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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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cd services/approval-service && go mod download
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COPY services/approval-service/ ./services/approval-service/
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WORKDIR /src/services/approval-service
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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 vet ./... && \
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go test ./... && \
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go build -ldflags="-s -w" -o /out/approval-service ./cmd/approval-service
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# ---------- runtime ----------
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# Distroless static+nonroot: no shell, no package manager, UID/GID 65532.
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FROM gcr.io/distroless/static-debian12:nonroot
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COPY --from=build /out/approval-service /approval-service
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USER 65532:65532
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EXPOSE 8080
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ENTRYPOINT ["/approval-service"]
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CMD ["-listen=:8080"]
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