Update render.yaml

Author: Paul008

render.yaml

@@ -2,8 +2,11 @@ services:
   - type: web
     name: livekit-server
     runtime: go
-    buildCommand: go build -o livekit ./cmd/server
-    startCommand: ./livekit --config config.yaml --keys "APIkey_7k9mP2xQ8vN3wR5t: LKsec_9B4fH8jL2nM6pS1qW7eR3tY5uI0oA8, APIkey_3nV8bC4xF7mK9pL2: LKsec_6J9dN2vB5hG8kM3nQ7rT4wY1eP0sX"
+    buildCommand: |
+      go build -o livekit ./cmd/server
+      echo "APIkey_7k9mP2xQ8vN3wR5t: LKsec_9B4fH8jL2nM6pS1qW7eR3tY5uI0oA8" > keys.yaml
+      echo "APIkey_3nV8bC4xF7mK9pL2: LKsec_6J9dN2vB5hG8kM3nQ7rT4wY1eP0sX" >> keys.yaml
+    startCommand: ./livekit --config config.yaml --key-file keys.yaml
     envVars:
       - key: LIVEKIT_BIND
         value: "0.0.0.0"