diff --git a/compose.yaml b/compose.yaml
index 62a14b21e..9eeaded3f 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -4,14 +4,13 @@ services:
     image: ${IMAGES_PREFIX:-}app-php
     restart: unless-stopped
     environment:
-      SERVER_NAME: ${SERVER_NAME:-localhost}, php:80
+      SERVER_NAME: ${SERVER_NAME:-localhost}
       DEFAULT_URI: https://${SERVER_NAME:-localhost}:${HTTPS_PORT:-443}
       MERCURE_PUBLISHER_JWT_KEY: ${CADDY_MERCURE_JWT_SECRET:-!ChangeThisMercureHubJWTSecretKey!}
       MERCURE_SUBSCRIBER_JWT_KEY: ${CADDY_MERCURE_JWT_SECRET:-!ChangeThisMercureHubJWTSecretKey!}
       # Run "composer require symfony/orm-pack" to install and configure Doctrine ORM
       DATABASE_URL: postgresql://${POSTGRES_USER:-app}:${POSTGRES_PASSWORD:-!ChangeMe!}@database:5432/${POSTGRES_DB:-app}?serverVersion=${POSTGRES_VERSION:-15}&charset=${POSTGRES_CHARSET:-utf8}
       # Run "composer require symfony/mercure-bundle" to install and configure the Mercure integration
-      MERCURE_URL: ${CADDY_MERCURE_URL:-http://php/.well-known/mercure}
       MERCURE_PUBLIC_URL: ${CADDY_MERCURE_PUBLIC_URL:-https://${SERVER_NAME:-localhost}:${HTTPS_PORT:-443}/.well-known/mercure}
       MERCURE_JWT_SECRET: ${CADDY_MERCURE_JWT_SECRET:-!ChangeThisMercureHubJWTSecretKey!}
       # The two next lines can be removed after initial installation