Allow CI container tests beside production

docker-compose.yml

@@ -21,7 +21,7 @@ services:
       db:
         condition: service_healthy
     # Nginx Proxy Manager routes https://roast.srmr.xyz to this host port.
-    ports: ["8090:8090"]
+    ports: ["${APP_PORT:-8090}:8090"]
     restart: unless-stopped
   db:
     image: postgres:16-alpine

test/container-startup.test.js

@@ -31,7 +31,7 @@ test("Docker image starts against PostgreSQL and applies migrations", async (t)
 	const envFile = path.join(temp, "compose.env");
 	await writeFile(
 		envFile,
-		`POSTGRES_PASSWORD=container-test-password\nBOOTSTRAP_SETUP_TOKEN=\nPI_AGENT_CONFIG_DIR=${agentDir}\n`,
+		`POSTGRES_PASSWORD=container-test-password\nBOOTSTRAP_SETUP_TOKEN=\nPI_AGENT_CONFIG_DIR=${agentDir}\nAPP_PORT=18090\n`,
 	);
 	const project = `roastplanner${Date.now()}`;
 	const compose = (args, options = {}) =>