ci: cleanup, add dedicated lint workflow

.github/workflows/docker.yaml

@@ -0,0 +1,61 @@
+name: Publish Docker Image
+
+on:
+  push:
+    branches:
+      - "develop"
+      - "release/v*"
+
+jobs:
+  push:
+    name: Push Image to GitHub Packages
+    runs-on: ubuntu-20.04
+    # Always run against a tag, even if the commit into the tag has [docker skip]
+    # within the commit message.
+    if: "!contains(github.ref, 'develop') || (!contains(github.event.head_commit.message, 'skip docker') && !contains(github.event.head_commit.message, 'docker skip'))"
+    steps:
+      - name: Code Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker Metadata
+        uses: docker/metadata-action@v4
+        id: docker_meta
+        with:
+          images: ghcr.io/pterodactyl/panel
+
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker Login
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Release production build
+        uses: docker/build-push-action@v2
+        if: "contains(github.ref, 'release/v')"
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+
+      - name: Release development build
+        uses: docker/build-push-action@v2
+        if: "contains(github.ref, 'develop')"
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max