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Update golangci-lint to v2.12.2 with canonical config
- Add canonical .golangci.yml (v2 schema, default: all, project
  thresholds for lll/funlen/cyclop/dupl)
- Bump golangci-lint pins from v2.0.2 to v2.12.2 in Makefile
  (go install, new /v2 module path) and Dockerfile (tagged+digest
  Debian image pin)
- Fix all lint findings surfaced by the new linter set across
  cmd/mfer, internal/bork, internal/cli, internal/log, and mfer:
  static sentinel errors (err113), context-aware HTTP and exec
  (noctx), guarded integer conversions and stricter permissions
  (gosec), named constants (mnd, goconst), function decomposition
  (funlen, cyclop, gocognit, nestif), declaration ordering
  (funcorder), t.Parallel/t.TempDir/t.Setenv adoption in tests
  (paralleltest, usetesting), protobuf getters (protogetter), plus
  formatting and style cleanups (wsl_v5, nlreturn, lll, revive,
  testifylint, and others)
- Serialize CLI runs in tests behind a mutex so parallel tests do
  not cross-wire the process-global logger's captured output
2026-08-07 17:07:44 +00:00

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Docker

# Lint stage — fast feedback on formatting and lint issues
# golangci/golangci-lint:v2.12.2 (Debian-based), 2026-08-07
FROM golangci/golangci-lint:v2.12.2@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Touch .pb.go so make does not try to regenerate via protoc (file is committed)
RUN touch mfer/mf.pb.go
RUN make fmt-check
RUN make lint
# Build stage — tests and compilation
# golang:1.23 (2026-03-14)
FROM golang@sha256:60deed95d3888cc5e4d9ff8a10c54e5edc008c6ae3fba6187be6fb592e19e8c0 AS builder
# Force BuildKit to run the lint stage by creating a stage dependency
COPY --from=lint /src/go.sum /dev/null
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Touch .pb.go so make does not try to regenerate via protoc (file is committed)
RUN touch mfer/mf.pb.go
RUN make test
RUN cd cmd/mfer && go build -tags urfave_cli_no_docs -o /mfer .
FROM scratch
COPY --from=builder /mfer /mfer
ENTRYPOINT ["/mfer"]