Add project files.

scripts/k8s/postgres/config-map.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: init-db-config
+data:
+  init-db.sh: |
+    #!/bin/bash
+    echo "Starting database initialization"
+  
+    psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    GRANT ALL ON SCHEMA public TO elsa;
+    GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO elsa;
+    GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO elsa;
+    GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA public TO elsa;
+    CREATE USER tracelens WITH PASSWORD 'tracelenspass';
+    CREATE DATABASE tracelens;
+    GRANT ALL PRIVILEGES ON DATABASE tracelens TO tracelens;
+    GRANT ALL ON SCHEMA public TO tracelens;
+    EOSQL
+    
+    echo "Database initialization completed"

scripts/k8s/postgres/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          imagePullPolicy: Always
+          image: postgres:latest
+          # command: ["-c", "max_connections=2000"]
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+            - name: init-db
+              mountPath: /docker-entrypoint-initdb.d/init-db.sh
+              subPath: init-db.sh
+          ports:
+            - containerPort: 5432
+          env:
+            - name: POSTGRES_USER
+              value: "elsa"
+            - name: POSTGRES_PASSWORD
+              value: "elsa"
+            - name: POSTGRES_DB
+              value: "elsa"
+              
+      volumes:
+        - name: postgres-data
+          emptyDir: {}
+        - name: init-db
+          configMap:
+            name: init-db-config

scripts/k8s/postgres/service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+  labels:
+    app: postgres
+spec:
+  type: LoadBalancer
+  ports:
+    - port: 5432
+      targetPort: 5432
+  selector:
+    app: postgres