Escape values for generated form used in request.post (#1236)

and build docker images for PRs

.github/workflows/release-docker.yml

@@ -4,50 +4,63 @@ on:
   push:
     tags:
       - 'v*.*.*'
+  pull_request:
+    branches:
+      - master
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   build-docker-images:
     runs-on: ubuntu-22.04
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v3
-      -
-        name: Downcase repo
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Downcase repo
         run: echo REPOSITORY=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
-      -
-        name: Docker meta
+
+      - name: Docker meta
         id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v3
+        uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REPOSITORY }},ghcr.io/${{ env.REPOSITORY }}
-          tag-sha: false
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v2
+          images: |
+            ${{ env.REPOSITORY }},enable=${{ github.event_name != 'pull_request' }}
+            ghcr.io/${{ env.REPOSITORY }}
+          tags: |
+            type=semver,pattern={{version}},prefix=v
+            type=ref,event=pr
+          flavor: |
+            latest=auto
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        if: github.event_name != 'pull_request'
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GH_PAT }}
-      -
-        name: Build and push
-        uses: docker/build-push-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./Dockerfile
           platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}