Add PGPool and Repr Manager for Postgres in Docker-compose

docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   caddy:
-    image: caddy:2.9-alpine
+    image: docker.io/caddy/caddy:2.9-alpine
     restart: unless-stopped
     ports:
       - "80:80"
@@ -30,10 +30,58 @@ services:
     links:
       - "postgres"
 
-  postgres:
-    container_name: "postgres"
-    image: postgres
-    restart: unless-stopped
+  pg-0:
+    image: docker.io/bitnami/postgresql-repmgr:14
+    ports:
+      - 5432
+    volumes:
+      - pg_0_data:/bitnami/postgresql
+    environment:
+      - POSTGRESQL_POSTGRES_PASSWORD=${POSTGRESQL_ADMIN_PASSWD:-password}
+      - POSTGRESQL_USERNAME=${POSTGRESQL_USERNAME:-user}
+      - POSTGRESQL_PASSWORD=${POSTGRESQL_PASSWORD:-passwd}
+      - POSTGRESQL_DATABASE=${POSTGRESQL_DATABASE:-customdatabase}
+      - REPMGR_PASSWORD=${REPMGR_PASSWORD:-repmgrpassword}
+      - REPMGR_PRIMARY_HOST=pg-0
+      - REPMGR_PARTNER_NODES=pg-0,pg-1
+      - REPMGR_NODE_NAME=pg-0
+      - REPMGR_NODE_NETWORK_NAME=pg-0
+
+  pg-1:
+    image: docker.io/bitnami/postgresql-repmgr:14
+    ports:
+      - 5432
+    volumes:
+      - pg_1_data:/bitnami/postgresql
+    environment:
+      - POSTGRESQL_POSTGRES_PASSWORD=${POSTGRESQL_ADMIN_PASSWD:-password}
+      - POSTGRESQL_USERNAME=${POSTGRESQL_USERNAME:-user}
+      - POSTGRESQL_PASSWORD=${POSTGRESQL_PASSWORD:-passwd}
+      - POSTGRESQL_DATABASE=${POSTGRESQL_DATABASE:-customdatabase}
+      - REPMGR_PASSWORD=${REPMGR_PASSWORD:-repmgrpassword}
+      - REPMGR_PRIMARY_HOST=pg-0
+      - REPMGR_PARTNER_NODES=pg-0,pg-1
+      - REPMGR_NODE_NAME=pg-1
+      - REPMGR_NODE_NETWORK_NAME=pg-1
+
+  pgpool:
+    image: docker.io/bitnami/pgpool:4
+    ports:
+      - 5432:5432
+    environment:
+      - PGPOOL_BACKEND_NODES=0:pg-0:5432,1:pg-1:5432
+      - PGPOOL_SR_CHECK_USER=${POSTGRESQL_USERNAME:-user}
+      - PGPOOL_SR_CHECK_PASSWORD=${POSTGRESQL_PASSWORD:-passwd}
+      - PGPOOL_ENABLE_LDAP=no
+      - PGPOOL_POSTGRES_USERNAME=${PGPOOL_POSTGRES_USERNAME}
+      - PGPOOL_POSTGRES_PASSWORD=${PGPOOL_POSTGRES_PASSWORD:-password}
+      - PGPOOL_ADMIN_USERNAME=${PGPOOL_ADMIN_USERNAME:-admin}
+      - PGPOOL_ADMIN_PASSWORD=${REPMGR_PASSWORD:-adminpassword}
+    healthcheck:
+      test: ["CMD", "/opt/bitnami/scripts/pgpool/healthcheck.sh"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
 
 volumes:
   caddy_data: