Weβll build this in 4 controlled layers (donβt skip order):
π§© Architecture Overview (What we are building)
GitHub Push
β
GitHub Actions
β
Build Docker Image
β
Push to GHCR
β
SSH into VPS
β
Pull New Image
β
Zero-downtime Deployment (Blue-Green)
β
STEP 1 β Prepare VPS for Automated Deploy
You already have:
- β
Docker running
- β
App deployed
- β
Domain working
- β
Prometheus + Grafana
Now we make VPS CI/CD-ready