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fix: use absolute paths and static linking in Dockerfile #49

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sneak merged 1 commits from fix/absolute-path-in-dockerfile into main 2026-03-17 12:48:14 +01:00
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1 changed files with 9 additions and 2 deletions
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@@ -42,6 +42,13 @@ COPY . .
# Run all checks (fmt-check, lint, test, build) # Run all checks (fmt-check, lint, test, build)
RUN make check RUN make check
# Rebuild with static linking for Alpine runtime.
# make check already verified formatting, linting, tests, and compilation.
# The CGO binary from `make build` is dynamically linked against glibc,
# which doesn't exist on Alpine (musl). Rebuild with static linking so
# the binary runs on Alpine without glibc.
RUN CGO_ENABLED=1 go build -ldflags '-extldflags "-static"' -o bin/webhooker ./cmd/webhooker
# alpine:3.21 — 2026-03-01 # alpine:3.21 — 2026-03-01
FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709 FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
@@ -54,7 +61,7 @@ RUN addgroup -g 1000 -S webhooker && \
WORKDIR /app WORKDIR /app
# Copy binary from builder # Copy binary from builder
COPY --from=builder /build/bin/webhooker . COPY --from=builder /build/bin/webhooker /app/webhooker
# Create data directory for all SQLite databases (main app DB + # Create data directory for all SQLite databases (main app DB +
# per-webhook event DBs). DATA_DIR defaults to /data in production. # per-webhook event DBs). DATA_DIR defaults to /data in production.
@@ -69,4 +76,4 @@ EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck || exit 1 CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck || exit 1
CMD ["./webhooker"] CMD ["/app/webhooker"]