Modern CI with Podman: Build & Push Images to Docker Hub via GitHub Actions
Use Podman, a lightweight and secure Docker alternative, to build and push images in GitHub Actions directly to Docker Hub.
GitHub Actions Workflow
Create .github/workflows/podman-ci.yml:
name: Build & Push Podman Image
on:
push:
branches: [ main ]
jobs:
build-and-push:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: Install Podman
run: sudo apt update && sudo apt install -y podman
- name: Login to Docker Hub
run: |
echo "${{ secrets.DOCKER_PASSWORD }}" | podman login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin docker.io
- name: Build & Push Image
run: |
podman build -t docker.io/yourdockerhubusername/podman-app:latest .
podman push docker.io/yourdockerhubusername/podman-app:latestGitHub Secrets Required
Set these in your repo:
DOCKER_USERNAMEDOCKER_PASSWORD
Dockerfile
FROM nginx:alpine
COPY webcontent/ /usr/share/nginx/html
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]Sample index.html
Place this in webcontent/index.html
<!DOCTYPE html>
<html>
<head><title>Podman App</title></head>
<body>
<h1>Hello from Podman! 🚀</h1>
</body>
</html>Why Podman?
- No Daemon Needed
- Secure & Rootless
- Docker-Compatible CLI
- Lightweight & Fast
Once pushed, your GitHub Action will build the image and push it to Docker Hub.