release: PicHost v1.0.0

Multi-user image hosting with RBAC, upload preferences, and admin settings.

.github/workflows/docker-publish.yml

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+name: Publish Docker image
+
+on:
+  push:
+    branches: [main]
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+env:
+  IMAGE_NAME: pichost
+
+jobs:
+  build-and-push:
+    if: ${{ !contains(github.event.head_commit.message, '[skip docker]') }}
+    runs-on: ubuntu-latest
+    env:
+      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - 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 GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log in to Docker Hub
+        if: env.DOCKERHUB_USERNAME != '' && env.DOCKERHUB_TOKEN != ''
+        uses: docker/login-action@v3
+        with:
+          username: ${{ env.DOCKERHUB_USERNAME }}
+          password: ${{ env.DOCKERHUB_TOKEN }}
+
+      - name: Resolve image names
+        id: images
+        run: |
+          names="ghcr.io/${OWNER}/${IMAGE_NAME}"
+          if [ -n "${DOCKERHUB_USERNAME}" ]; then
+            names="${names}
+          ${DOCKERHUB_USERNAME}/${IMAGE_NAME}"
+          fi
+          {
+            echo "list<<EOF"
+            echo "${names}"
+            echo "EOF"
+          } >> "$GITHUB_OUTPUT"
+        env:
+          OWNER: ${{ github.repository_owner }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ steps.images.outputs.list }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=semver,pattern={{version}}
+            type=semver,pattern=v{{version}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max