Make synapse use runc runtime

Signed-off-by: Tommy Tran <contact@tommytran.io>

Synapse-Docker-Compose.code-workspace

@@ -0,0 +1,8 @@
+{
+	"folders": [
+		{
+			"path": "."
+		}
+	],
+	"settings": {}
+}

docker-compose.yml

@@ -31,6 +31,8 @@ services:
       - no-new-privileges:true
     cap_drop:
       - ALL
+    #Runtime should always be runc, otherwise load average with gVisor will be extremely high
+    runtime: runc
 
   postgres:
     image: docker.io/postgres-15:alpine
@@ -58,6 +60,8 @@ services:
     #tmpfs:
     #  - /var/run/postgresql:size=50M,mode=0770,uid=70,gid=70,noexec,nosuid,nodev
     shm_size: 1g
+    #Runtime should always be runc, otherwise load average with gVisor will be extremely high
+    runtime: runc
 
   element:
     image: vectorim/element-web:latest