Added docker build pipeline

.gitea/workflows/tf-server-docker-build.yml

@@ -0,0 +1,40 @@
+name: Build and Push Multi-Platform Docker Image
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      - name: Print Runner Info
+        run: |
+          echo "Running on: $(uname -a)"
+          echo "Current directory: $(pwd)"
+          ls -l
+
+      - name: Set up Docker Buildx
+        run: |
+          docker buildx create --name mybuilder --use
+          docker buildx inspect --bootstrap
+
+      - name: Log in to Docker Registry
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          echo "$DOCKER_PASSWORD" | docker login registry.jjnet.se -u "$DOCKER_USERNAME" --password-stdin
+
+      - name: Build and Push Multi-Platform Image
+        run: |
+          docker buildx build \
+            --platform linux/arm64 \
+            --tag registry.jjnet.se/tf-server:latest \
+            --file DockerFile \
+            --push .