Add postgres datasource

Author: maximopalopoli

grafana/provisioning/datasources/datasource.yaml

@@ -12,3 +12,20 @@ datasources:
     editable: true
     jsonData:
       timeInterval: 1s
+
+  - name: PostgreSQL
+    type: postgres
+    uid: postgres
+    access: proxy
+    orgId: 1
+    url: postgres:5432
+    database: ${POSTGRES_DB}
+    user: ${POSTGRES_USER}
+    secureJsonData:
+      password: ${POSTGRES_PASSWORD}
+    basicAuth: false
+    isDefault: false
+    editable: true
+    jsonData:
+      sslmode: disable
+      postgresVersion: 1600

metrics-docker-compose.yaml

@@ -19,6 +19,12 @@ services:
       - GF_SECURITY_ADMIN_USER=${ADMIN_USER:-admin}
       - GF_SECURITY_ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin}
       - GF_USERS_ALLOW_SIGN_UP=false
+      # Postgres datasource
+      - POSTGRES_HOST=postgres
+      - POSTGRES_PORT=5432
+      - POSTGRES_DB=postgres
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=postgres
     restart: unless-stopped
     ports:
       - "3000:3000"