32 lines
862 B
Docker
32 lines
862 B
Docker
# ───── Stage 1: Build the adapter binary ─────
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FROM golang:1.22-alpine AS builder
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RUN apk add --no-cache git make gcc musl-dev
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WORKDIR /src
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COPY . .
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# Fix missing go.sum entries
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RUN go mod tidy
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# Build (default target = all)
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RUN make
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# Verify binary exists and is executable — no --version check
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RUN ls -la postgresql-prometheus-adapter && \
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./postgresql-prometheus-adapter --help > /dev/null
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# ───── Stage 2: Tiny runtime ─────
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FROM gcr.io/distroless/static-debian12
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COPY --from=builder /src/postgresql-prometheus-adapter /usr/local/bin/postgresql-prometheus-adapter
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USER 1001:1001
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EXPOSE 9201
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD ["/usr/local/bin/postgresql-prometheus-adapter", "--health"] || exit 1
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ENTRYPOINT ["/usr/local/bin/postgresql-prometheus-adapter"] |