add dbgate and mssql

dbgate/docker-compose.yml

@@ -0,0 +1,19 @@
+services:
+  dbgate:
+    image: dbgate/dbgate:latest
+    container_name: dbgate
+    restart: unless-stopped
+    environment:
+      LOGIN: admin
+      PASSWORD: ${DBGATE_PASSWORD}
+    volumes:
+      - /srv/docker/dbgate/data:/root/.dbgate
+    networks:
+      - internal
+      - proxy
+
+networks:
+  internal:
+    external: true
+  proxy:
+    external: true