create dev images on dev push

.github/workflows/dev_backend-deploy.yml

@@ -0,0 +1,26 @@
+name: CI/CD Pipeline for Backend
+
+on:
+  push:
+    branches: [ dev ] 
+
+jobs:
+  build_and_push_backend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Build and Push Docker image for Backend
+        uses: docker/build-push-action@v2
+        with:
+          context: ./server 
+          file: ./server/Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/dev_${{ secrets.DOCKERHUB_BACKEND_REPO }}:latest

.github/workflows/dev_deploy.yml

@@ -0,0 +1,26 @@
+name: CI/CD Pipeline for Nginx Router
+
+on:
+  push:
+    branches: [ dev ]
+
+jobs:
+  build_and_push_nginx:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Build and Push Docker image for Router
+        uses: docker/build-push-action@v2
+        with:
+          context: ./nginx
+          file: ./nginx/Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/dev_${{ secrets.DOCKERHUB_ROUTER_REPO }}:latest

.github/workflows/dev_frontend-deploy.yml

@@ -0,0 +1,26 @@
+name: CI/CD Pipeline for Frontend
+
+on:
+  push:
+    branches: [ dev ] 
+
+jobs:
+  build_and_push_frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Build and Push Docker image for Frontend
+        uses: docker/build-push-action@v2
+        with:
+          context: ./client 
+          file: ./client/Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/dev_${{ secrets.DOCKERHUB_FRONTEND_REPO }}:latest