diff --git a/.github/workflows/ansible-deploy-dev.yml b/.github/workflows/ansible-deploy-dev.yml
deleted file mode 100644
index 9bb8899..0000000
--- a/.github/workflows/ansible-deploy-dev.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-name: Deploy to dev server with Ansible playbook
-
-on:
-  workflow_run:
-    workflows: ["Django tests"]
-    types:
-      - completed
-    branches:
-      - dev
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    environment: deployment
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
-    concurrency:
-      group: docker-build-group
-      cancel-in-progress: false
-
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v2
-        with:
-          ref: dev
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.11'
-
-      - name: Install Ansible
-        run: |
-          python -m pip install --upgrade pip
-          pip install ansible
-
-      - name: Install ssh keys
-        # For reference: https://stackoverflow.com/a/70447517
-        run: |
-          install -m 600 -D /dev/null ~/.ssh/galaxy
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/galaxy
-          echo "${{ secrets.SSH_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
-
-      - name: Run Ansible Playbook
-        run: |
-          cd ansible
-          ansible-playbook -i hosts dev.yml --tags update
-        env:
-          ANSIBLE_HOST_KEY_CHECKING: 'False'
-          ANSIBLE_REMOTE_USER: ${{ secrets.SSH_USER }}
-          ANSIBLE_PRIVATE_KEY_FILE: ~/.ssh/galaxy
diff --git a/.github/workflows/ansible-deploy.yml b/.github/workflows/ansible-deploy.yml
index 9e4eb53..73a8407 100644
--- a/.github/workflows/ansible-deploy.yml
+++ b/.github/workflows/ansible-deploy.yml
@@ -2,26 +2,26 @@ name: Deploy to prod server with Ansible playbook
 
 on:
   workflow_run:
-    workflows: ["Django tests"]
+    workflows: ["Build and Push Docker Image"]
     types:
       - completed
     branches:
+      - dev
       - main
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     environment: deployment
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     concurrency:
-      group: docker-build-group
-      cancel-in-progress: false
+      group: deploy-group
+      cancel-in-progress: true
 
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v2
         with:
-          ref: main
+          ref: ${{ github.ref }}
 
       - name: Set up Python
         uses: actions/setup-python@v2
@@ -42,8 +42,13 @@ jobs:
 
       - name: Run Ansible Playbook
         run: |
+          if [ $GITHUB_REF == "refs/heads/dev" ]; then
+            PLAYBOOK=dev.yml
+          else
+            PLAYBOOK=prod.yml
+          fi
           cd ansible
-          ansible-playbook -i hosts prod.yml --tags update
+          ansible-playbook -i hosts $PLAYBOOK --tags update
         env:
           ANSIBLE_HOST_KEY_CHECKING: 'False'
           ANSIBLE_REMOTE_USER: ${{ secrets.SSH_USER }}
diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 6b71c63..bf7430b 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -1,37 +1,53 @@
 name: Build and Push Docker Image
 
 on:
-  push:
+  workflow_run:
+    workflows: ["Django tests"]
+    types:
+      - completed
     branches:
-      - main
       - dev
-    paths:
-      - Dockerfile
-      - requirements.txt
+      - main
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     environment: build
     concurrency:
-      group: docker-build-group
-      cancel-in-progress: false
+      group: deploy-group
+      cancel-in-progress: true
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Check if Dockerfile or requirements.txt was changed
+        id: check_dependencies
+        run: |
+          if git diff --name-only HEAD^ HEAD | grep -q -e 'Dockerfile' -e 'requirements.txt'; then
+            echo "Dockerfile or requirements.txt changed"
+            echo "::set-output name=updated::true"
+          else
+            echo "Dockerfile or requirements.txt not changed"
+            echo "::set-output name=updated::false"
+          fi
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
+        if: steps.check_dependencies.outputs.updated == 'true'
 
       - name: Log in to DockerHub
         uses: docker/login-action@v2
+        if: steps.check_dependencies.outputs.updated == 'true'
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build Docker image
+        if: steps.check_dependencies.outputs.updated == 'true'
         run: docker build -t ${{ secrets.DOCKER_IMAGE }}:latest .
 
       - name: Push Docker image
+        if: steps.check_dependencies.outputs.updated == 'true'
         run: docker push ${{ secrets.DOCKER_IMAGE }}:latest