Rework usage of podman image

This reverts commit 06886b4301.

.forgejo/workflows/build-image.yml

@@ -4,23 +4,15 @@ jobs:
   build-image:
     runs-on: docker
     container:
-      image: debian:trixie
-      volumes:
-        - /var/lib/containers
+      image: quay.io/podman/stable
     steps:
-      - name: Install packages
+      - name: Install additional packages
         run: |
-          apt-get -y update
-          apt-get -y install git nodejs podman
-
-      - name: Fixup subuid/subgid
-        run: |
-          echo 'root:1:999' > /etc/subuid
-          echo 'root:1:999' > /etc/subgid
+          dnf -y install git nodejs
 
       - name: Setup podman
         run: |
-          podman login gitea.angry.im --username PeterCxy --password ${{ secrets.FORGEJO_TOKEN }}
+          sudo -u podman podman login gitea.angry.im --username PeterCxy --password ${{ secrets.FORGEJO_TOKEN }}
 
       - name: Repository Checkout
         uses: https://gitea.angry.im/actions/checkout@v3
@@ -28,7 +20,7 @@ jobs:
           submodules: recursive
 
       - name: Confirm Podman works
-        run: podman run --rm hello-world
+        run: sudo -u podman podman run --rm hello-world
 
       - name: Build & Push
-        run: ./build-image.sh element-web
+        run: sudo -u podman ./build-image.sh element-web