ci(docker): add automated image publishing workflow and compose setup

- Add GitHub Actions workflow for automated Docker image publishing to GHCR
- Configure multi-architecture builds for linux/amd64 and linux/arm64 platforms
- Implement semantic versioning and branch-based image tagging strategy
- Add docker-compose.yml for local development and testing
- Update action.yml to reference published GHCR image instead of local Dockerfile
- Enable GitHub Actions cache for faster builds and improved CI/CD performance
- This enables automated image distribution and simplifies local development setup

Author: kodermax

.github/workflows/publish-image.yml

@@ -0,0 +1,55 @@
+name: Publish Docker Image
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable={{is_default_branch}}
+      
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            TARGETARCH=amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

action.yml

@@ -13,6 +13,6 @@ inputs:
 
 runs:
   using: 'docker'
-  image: 'Dockerfile'
+  image: 'docker://ghcr.io/your-username/kubectl-aws-eks:latest'
   args:
     - ${{ inputs.args }}

docker-compose.yml

@@ -0,0 +1,23 @@
+services:
+  aws-kubectl:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        TARGETARCH: amd64
+        JQ_VERSION: 1.6
+        IAM_VERSION: 0.6.12
+    image: aws-kubectl:latest
+    container_name: aws-kubectl
+    environment:
+      - AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
+      - AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}
+      - AWS_DEFAULT_REGION=${AWS_DEFAULT_REGION:-us-east-1}
+      - AWS_SESSION_TOKEN=${AWS_SESSION_TOKEN}
+    volumes:
+      - ~/.aws:/root/.aws:ro
+      - ~/.kube:/root/.kube
+      - ./:/workspace
+    working_dir: /workspace
+    stdin_open: true
+    tty: true