deployment.yaml

# Create Booking-api deployment
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: booking-api 
  namespace: egs-petcare
spec:
  replicas: 1
  selector:
    matchLabels:
      app: booking-api
  template:
    metadata:
      labels:
        app: booking-api
    spec:
      containers:
      - name: booking-api
        image: registry.deti/egs-petcare/booking-api:v13
        resources:
          requests:
            memory: "500Mi"
            cpu: "10m"
          limits:
            memory: "1Gi"
            cpu: "500m"
        ports:
          - containerPort: 8040
        env:
        - name: DATABASE_HOST
          value: "booking-db-service"
        - name: DATABASE_PORT
          value: "5432"
        envFrom:
          - secretRef:
              name: booking-credentials
---
## Create Booking-db deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: booking-db
  namespace: egs-petcare
spec:
  replicas: 1
  selector:
    matchLabels:
      app: booking-db
  template:
    metadata:
      labels:
        app: booking-db
    spec:
      containers:
      - name: booking-db
        image: postgres:16
        envFrom:
          - secretRef:
              name: booking-credentials
        resources:
          requests:
            memory: "32Mi"
            cpu: "10m"
          limits:
            memory: "128Mi"
            cpu: "500m"
        ports:
        - containerPort: 5432
        volumeMounts:
        - name: booking-storage
          mountPath: /var/lib/postgresql/booking-data
      volumes:
      - name: booking-storage
        persistentVolumeClaim:
          claimName: booking-pvc

# Create payments-db deployment
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: paymentsdb
  namespace: egs-petcare
spec:
  replicas: 1
  selector:
    matchLabels:
      app: paymentsdb
  template:
    metadata:
      labels:
        app: paymentsdb
    spec:
      containers:
      - name: paymentsdb
        image: postgres:16
        env:  # environment variables 
        - name: POSTGRES_DB  
          value: "paymentsdb"
        - name: POSTGRES_USER
          value: "postgres"
        - name: POSTGRES_PASSWORD
          value: "admin"
        resources:
          requests:
            memory: "32Mi"
            cpu: "10m"
          limits:
            memory: "128Mi"
            cpu: "500m"
        ports:
        - containerPort: 5432
        volumeMounts:
        - name: payments-storage
          mountPath: /var/lib/postgresql/payments_data
      volumes:
      - name: payments-storage
        emptyDir: {}
  
# Create payments-api deployment
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: payments
  namespace: egs-petcare
spec:
  replicas: 1
  selector:
    matchLabels:
      app: payments
  template:
    metadata:
      labels:
        app: payments
    spec:
      containers:
      - name: payments
        image: registry.deti/egs-petcare/payments:v3
        resources:
          requests:
            memory: "500Mi"
            cpu: "10m"
          limits:
            memory: "1Gi"
            cpu: "500m"
        ports:
          - containerPort: 8081
        env:
        - name: DATABASE_HOST
          value: "payments-db-service"
        - name: DATABASE_PORT
          value: "5432"
        - name: DATABASE_NAME
          value: "paymentsdb"
        - name: DATABASE_USER
          value: "postgres"
        - name: DATABASE_PASSWORD
          value: "admin"
        - name: DJANGO_SUPERUSER_USERNAME
          value: admin
        - name: DJANGO_SUPERUSER_EMAIL
          value: admin@example.com
        - name: DJANGO_SUPERUSER_PASSWORD
          value: admin

# Create nginx deployment
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: egs-petcare
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  strategy: {}
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        - image: nginx:alpine
          name: nginx
          ports:
            - containerPort: 80
          resources: {}
          volumeMounts:
            - name: nginx-conf
              mountPath: /etc/nginx/nginx.conf
              subPath: nginx.conf
              readOnly: true
      restartPolicy: Always
      volumes:
        - name: nginx-conf
          configMap:
            name: nginx-conf
            items:
              - key: nginx.conf
                path: nginx.conf


# Create Service for Booking-api
---
apiVersion: v1
kind: Service
metadata:
  name: booking-api-service
  namespace: egs-petcare
spec:
  ports:
  - port: 8040
    targetPort: 8040
  selector:
    app: booking-api

## Create Service for Booking-db
---
apiVersion: v1
kind: Service
metadata:
  name: booking-db-service
  namespace: egs-petcare
spec:
  ports:
  - port: 5432
    targetPort: 5432
  selector:
    app: booking-db
  
# Create Service for Payments-api
---
apiVersion: v1
kind: Service
metadata:
  name: payments-service
  namespace: egs-petcare
spec:
  ports:
  - port: 8081
    targetPort: 8081
  selector:
    app: payments

# Create Service for Payments-db
---
apiVersion: v1
kind: Service
metadata:
  name: payments-db-service
  namespace: egs-petcare
spec:
  ports:
  - port: 5432
    targetPort: 5432
  selector:
    app: paymentsdb

# Create Service for nginx
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: egs-petcare
spec:
  ports:
  - port: 80
    targetPort: 80
  selector:
    app: nginx

---
# Create Ingress Resource - defines the rules for routing traffic
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: petcare-k3s
  namespace: egs-petcare
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/frontend-entry-points: http,https
    traefik.ingress.kubernetes.io/redirect-entry-point: https
    traefik.ingress.kubernetes.io/redirect-permanent: "true"
spec:
  rules:
  - host: grupo2-egs-deti.ua.pt
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: nginx-service
            port: 
              number: 80

# NGINX Config map
# Configure Nginx to act as a reverse proxy.
# Important: Mount this ConfigMap as a volume in the Nginx Deployment and configure Nginx to use it
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-conf
  namespace: egs-petcare
data:
  nginx.conf: |
    user  nginx;
    worker_processes  1;
    error_log  /var/log/nginx/error.log warn;
    pid        /var/run/nginx.pid;
    events {
            worker_connections  1024;
    }
    http {
        include       /etc/nginx/mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        server {
            listen 80 default_server;

            server_name _;

            location /booking-service {
                proxy_pass http://booking-api-service:8040;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

            location /bookings {
                proxy_pass http://booking-api-service:8040;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

            location /clients {
                proxy_pass http://booking-api-service:8040;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /payment {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /admin {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /checkout/<uuid:pk>/ {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /registration {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /mb-way {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             
              location /send-post-request {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /docs {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location / {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

             location /payment_complete {
                proxy_pass http://payments-service:8081;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
             }

        }
    }