ci: add initial pipeline

.github/workflows/main.yml

@@ -0,0 +1,38 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches:
+      - Development
+  pull_request:
+    branches:
+      - Development
+
+jobs:
+
+  build:
+
+    runs-on: self-hosted
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Login To Registry
+      uses: docker/login-action@v2
+      with:
+        registry: "${{ vars.DOCKER_REGISTRY_URL }}"
+        username: "${{ secrets.DOCKER_REGISTRY_USER }}"
+        password: "${{ secrets.DOCKER_REGISTRY_PASSWORD }}"
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Build Steamcmd Image
+      uses: docker/build-push-action@v3
+      with:
+        context: .
+        file: ./Dockerfile
+        push: true
+        cache-from: type=registry,ref=${{ vars.DOCKER_REGISTRY_URL }}/steamcmd:latest
+        cache-to: type=inline
+        tags: "${{ vars.DOCKER_REGISTRY_URL }}/steamcmd:latest"