Added github workflows next to gitea's workflows

Author: Axodouble

.github/workflows/container.yaml

@@ -0,0 +1,72 @@
+name: Container image
+
+# Mirrors .gitea/workflows/container.yaml — publishes a multi-arch
+# (amd64 + arm64) image to the GitHub Container Registry whenever the
+# Gitea→GitHub mirror pushes a `v*` tag. Image lands at
+# ghcr.io/axodouble/quptime with tags :vX.Y.Z, :X.Y, and :latest.
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # GHCR namespaces must be lowercase. Lowercase the repository
+      # path once and reuse below so a mixed-case org/repo (e.g.
+      # Axodouble/QUptime) still resolves to a valid image reference.
+      - name: Resolve image name
+        id: img
+        run: |
+          repo='${{ github.repository }}'
+          echo "ref=ghcr.io/${repo,,}" >> "$GITHUB_OUTPUT"
+
+      - name: Compute version
+        id: ver
+        run: |
+          echo "version=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ steps.img.outputs.ref }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ steps.ver.outputs.version }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/release.yaml

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+name: Release
+
+# Mirrors .gitea/workflows/release.yaml — fires when the Gitea→GitHub
+# mirror pushes a `v*` tag, builds static Linux binaries for amd64 +
+# arm64, and publishes them to GitHub Releases alongside the Gitea
+# release the same tag produces upstream.
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          check-latest: false
+          cache: false
+
+      - name: Test
+        run: go test -race ./...
+
+      - name: Build binaries
+        env:
+          CGO_ENABLED: '0'
+        run: |
+          set -euo pipefail
+          VERSION="${GITHUB_REF_NAME}"
+          mkdir -p dist
+          for arch in amd64 arm64; do
+            out="dist/qu-${VERSION}-linux-${arch}"
+            echo "building ${out}"
+            GOOS=linux GOARCH="${arch}" \
+              go build \
+                -trimpath \
+                -ldflags "-s -w -X main.version=${VERSION}" \
+                -o "${out}" \
+                ./cmd/qu
+          done
+          (cd dist && sha256sum qu-* > SHA256SUMS)
+          ls -lh dist
+
+      - name: Publish release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            dist/qu-*
+            dist/SHA256SUMS
+          fail_on_unmatched_files: true
+          generate_release_notes: true
+          token: ${{ secrets.GITHUB_TOKEN }}