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webhooker/Dockerfile
sneak 36a1bacf11
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Update golangci-lint to v2.12.2 with canonical config
Bump the golangci-lint Docker image pin in Dockerfile and the
release-archive sha256 pins in script/bootstrap from 2.11.3 to
2.12.2, and replace .golangci.yml with the canonical config. The
canonical config moves lll/funlen/cyclop/dupl settings from the
top-level linters-settings key (ignored by the v2 schema) to
linters.settings, so those thresholds now actually apply.

Fix all findings the newly applied thresholds surfaced:

- lll: wrap or shorten seven over-length lines (struct tag
  comments, test logger construction, a func signature, and a
  nosec comment)
- goconst: use http.MethodPost/http.MethodPut and new shared
  constants for repeated test strings; add tmplKeyError and
  tmplKeyWebhook constants for template data keys in handlers
- dupl: merge buildHTTPTargetConfig and buildSlackTargetConfig
  into a parameterized buildURLTargetConfig; drop the duplicate
  iWebhookDB test helper in favor of testWebhookDB; extract
  shared helpers in middleware and session tests
2026-08-07 20:55:31 +00:00

82 lines
2.4 KiB
Docker

# Lint stage
# golangci/golangci-lint:v2.12.2 (Debian-based), 2026-08-07
# Using Debian-based image because mattn/go-sqlite3 (CGO) does not
# compile on Alpine musl (off64_t is a glibc type).
FROM golangci/golangci-lint:v2.12.2@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
WORKDIR /src
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Run formatting check and linter
RUN make fmt-check
RUN make lint
# Build stage
# golang:1.26.1-bookworm (Debian-based), 2026-03-17
# Using Debian-based image because gorm.io/driver/sqlite pulls in
# mattn/go-sqlite3 (CGO), which does not compile on Alpine musl.
FROM golang:1.26.1-bookworm@sha256:4465644228bc2857a954b092167e12aa59c006a3492282a6c820bf4755fd64a4 AS builder
# Depend on lint stage passing
COPY --from=lint /src/go.sum /dev/null
RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
WORKDIR /build
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Run tests and build
RUN make test
RUN make build
# Rebuild with static linking for Alpine runtime.
# make build already verified 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
# Runtime stage
# alpine:3.21, 2026-03-17
FROM alpine:3.21@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
RUN apk --no-cache add ca-certificates
# Create non-root user
RUN addgroup -g 1000 -S webhooker && \
adduser -u 1000 -S webhooker -G webhooker
WORKDIR /app
# Copy binary from builder
COPY --from=builder /build/bin/webhooker /app/webhooker
# Create data directory for all SQLite databases (main app DB +
# per-webhook event DBs). DATA_DIR defaults to /var/lib/webhooker.
RUN mkdir -p /var/lib/webhooker
RUN chown -R webhooker:webhooker /app /var/lib/webhooker
USER webhooker
EXPOSE 8080
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 ["/app/webhooker"]