Fixed compose file formatting for Matrix

matrix/docker-compose.yml

@@ -1,16 +1,30 @@
-version: "3.4"
-
+version: '2'
 services:
   synapse:
-    container_name: synapse
+    container_name: "synapse"
     image: matrixdotorg/synapse:latest
-    env_file: .env
-    restart: unless-stopped
+    restart: "unless-stopped"
     ports:
-      - ${PORT}:8008
+      - 8008:8008
       - 8448:8448
+    environment:
+      - VIRTUAL_HOST=synapse.leece.im
+      - VIRTUAL_PORT=8008
     volumes:
-      - data:/data/
+      - data/:/data/
+  database:
+    container_name: "synapse_db"
+    image: postgres:latest
+    restart: unless-stopped
+    volumes:
+      - db:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_PASSWORD=secret
+      - POSTGRES_USER=synapse
+      - POSTGRES_DB=synapse_db
+      - LC_COLLATE=C
+      - LC_CTYPE=C
 
 volumes:
   data:
+  db: