Add github action workflow and testing it

.github/workflows/ssh_server.yml

@@ -0,0 +1,45 @@
+name: Docker Build and Push to ACR
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'SSH_Server/**'
+      - '.github/workflows/ssh_server.yml'
+  workflow_dispatch:
+  pull_request:
+
+
+jobs:
+  docker_build_push_acr:
+    name: 'Docker Build and Push to ACR'
+    runs-on: ubuntu-latest
+    environment: production
+
+    # Use the Bash shell regardless whether the GitHub Actions runner is ubuntu-latest, macos-latest, or windows-latest
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    # Checkout the repository to the GitHub Actions runner
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: 'Docker Login'
+      uses: azure/docker-login@v1
+      with:
+        login-server: ${{ secrets.REGISTRY_LOGIN_SERVER }}
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+
+    - name: Build the image and push it to ACR
+      uses: docker/build-push-action@v5
+      with:
+        push: true
+        tags: ${{ secrets.REGISTRY_LOGIN_SERVER }}/ssh_server:${{ github.sha }}
+        context: "{{defaultContext}}:SSH_Server"
+        file: Dockerfile
+
+

SSH_Server/Dockerfile

@@ -6,8 +6,8 @@ ENV CTF=$CTF
 
 # Install SSH server and any other dependencies.
 # If behind corporate firewall, may need --no-check-certificate
-RUN apk update --no-check-certificate && apk upgrade --no-check-certificate \
-    && apk add openssh cmatrix --no-check-certificate \
+RUN apk update  && apk upgrade  \
+    && apk add openssh cmatrix \
     && rm -rf /var/cache/apk/*
 
 # Configure SSH server for password authentication and set MaxAuthTries
@@ -34,7 +34,8 @@ RUN chmod +x /usr/local/bin/$CTF
 EXPOSE 22
 
 # Run a script to set the user password during container startup
-COPY initialize.sh /usr/local/bin/
+COPY initialize.sh /usr/local/bin/initialize.sh
 RUN chmod +x /usr/local/bin/initialize.sh
 ENTRYPOINT ["/usr/local/bin/initialize.sh"]
 
+