added github actions and updated readme

.github/workflows/docker-build.yml

@@ -0,0 +1,41 @@
+name: Docker Build and Push
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        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: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value=latest
+            type=sha,format=long
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }} 

README.md

@@ -17,6 +17,15 @@ This repository provides a Docker image for a simple SSH server based on Alpine
 - [Docker](https://www.docker.com/get-started) installed on your machine.
 - Basic knowledge of Docker commands.
 
+### How To Just Run
+
+Just run the following commands to start using it right away (or move on to the next step to build it yourself):
+
+```bash
+docker pull ghcr.io/amhoba2014/lightweight-docker-ssh-server ;
+docker run --rm -it -p 2222:22 ghcr.io/amhoba2014/lightweight-docker-ssh-server:latest ;
+```
+
 ### Building the Docker Image
 
 To build the Docker image, clone this repository and navigate to its directory: