ci: overhaul pipeline — caching, GoReleaser, govulncheck

- Add module + build cache to CI (was only caching go-build, not go/pkg/mod)
- Declare explicit Alpine container instead of relying on runner image
- Drop redundant go vet (already in golangci-lint)
- Add govulncheck job for dependency CVE scanning
- Add GoReleaser config for Gitea-native binary releases + checksums
- Replace .github/workflows/docker.yml with .gitea/workflows/release.yml
- Docker multiarch (amd64+arm64) via buildx in release workflow
- Dockerfile: add --mount=type=cache for mod/build, add -trimpath

.gitea/workflows/ci.yml

@@ -5,30 +5,33 @@ on:
     branches: [main]
   pull_request:
 
+env:
+  GO_VERSION: "1.24"
+
 jobs:
   test:
     runs-on: ubuntu-latest
+    container:
+      image: golang:1.24-alpine3.21
     defaults:
       run:
         shell: sh
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.24"
-
       - uses: actions/cache@v4
         with:
-          path: ~/.cache/go-build
-          key: go-build-${{ hashFiles('**/*.go', 'go.sum') }}
-          restore-keys: go-build-
+          path: |
+            /go/pkg/mod
+            /root/.cache/go-build
+          key: go-${{ hashFiles('go.sum') }}
+          restore-keys: go-
 
       - name: Install build tools
         run: apk add --no-cache gcc musl-dev
 
-      - name: Vet
-        run: go vet ./...
+      - name: Download modules
+        run: go mod download
 
       - name: Test
         run: CGO_ENABLED=1 go test -race -timeout 120s ./...
@@ -45,3 +48,18 @@ jobs:
       - uses: golangci/golangci-lint-action@v7
         with:
           version: v2.11.2
+
+  vulncheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.24"
+
+      - name: Install govulncheck
+        run: go install golang.org/x/vuln/cmd/govulncheck@latest
+
+      - name: Run govulncheck
+        run: govulncheck ./...

.gitea/workflows/release.yml

@@ -0,0 +1,68 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "[0-9]*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.24"
+
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: release-go-${{ hashFiles('go.sum') }}
+          restore-keys: release-go-
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v7
+        with:
+          distribution: goreleaser
+          version: "~> v2"
+          args: release --clean
+        env:
+          GORELEASER_FORCE_TOKEN: gitea
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+
+  docker:
+    runs-on: ubuntu-latest
+    needs: [release]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            lerkolabs/uptop:${{ github.ref_name }}
+            lerkolabs/uptop:latest
+          build-args: |
+            VERSION=${{ github.ref_name }}
+            COMMIT=${{ github.sha }}
+            BUILD_DATE=${{ github.event.head_commit.timestamp }}