Add matrix whatsapp db

synapse/.env.example

@@ -13,3 +13,7 @@ MAS_POSTGRES_USER=
 MAS_POSTGRES_PASSWORD=
 
 MAUTRIX_WHATSAPP_DATA_DIR=
+MAUTRIX_WHATSAPP_POSTGRES_DATA_DIR=
+MAUTRIX_WHATSAPP_POSTGRES_DB=
+MAUTRIX_WHATSAPP_POSTGRES_USER=
+MAUTRIX_WHATSAPP_POSTGRES_PASSWORD=

synapse/docker-compose.yml

@@ -5,6 +5,15 @@ services:
     restart: unless-stopped
     volumes:
       - ${MAUTRIX_WHATSAPP_DATA_DIR}:/data
+  mautrix-whatsapp_db:
+    image: docker.io/library/postgres:17
+    restart: unless-stopped
+    volumes:
+      - ${MAUTRIX_WHATSAPP_POSTGRES_DATA_DIR}:/var/lib/postgresql/data
+    environment:
+      POSTGRES_DB: ${MAUTRIX_WHATSAPP_POSTGRES_DB}
+      POSTGRES_USER: ${MAUTRIX_WHATSAPP_POSTGRES_USER}
+      POSTGRES_PASSWORD: ${MAUTRIX_WHATSAPP_POSTGRES_PASSWORD}
   mas:
     image: ghcr.io/element-hq/matrix-authentication-service:0.14.1
     restart: unless-stopped