confdroid/prometheus-pg-adapter
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OP#176 edit Dockerfile stage 2

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The Confdroid
2025-12-02 15:31:08 +01:00
parent 3be40df15e
commit f2e0012683
1 changed files with 9 additions and 3 deletions
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Dockerfile
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@@ -17,16 +17,22 @@ RUN ls -la postgresql-prometheus-adapter && \
./postgresql-prometheus-adapter --help > /dev/null
# ───── Stage 2: Tiny runtime ─────
FROM gcr.io/distroless/static-debian12
# ───── Stage 2: Runtime (Alpine = has glibc + loader) ─────
FROM alpine:3.20
# Install only what the binary needs (tiny)
RUN apk add --no-cache libc6-compat
COPY --from=builder /src/postgresql-prometheus-adapter /usr/local/bin/postgresql-prometheus-adapter
# Make sure it's executable (just in case)
RUN chmod +x /usr/local/bin/postgresql-prometheus-adapter
USER 1001:1001
EXPOSE 9201
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD ["/usr/local/bin/postgresql-prometheus-adapter", "--health"] || exit 1
CMD ["wget", "--spider", "-q", "http://127.0.0.1:9201/health"] || exit 1
ENTRYPOINT ["/usr/local/bin/postgresql-prometheus-adapter"]