diff --git a/compose.yml b/compose.yml
index 9107bed..695720b 100644
--- a/compose.yml
+++ b/compose.yml
@@ -13,8 +13,8 @@ services:
       TZ: ${TZ:-Asia/Seoul}
       BV_CHALLENGE_API_PORT: ${BV_CHALLENGE_API_PORT:-10001}
       BV_CHALLENGE_API_BOT_RUNNER_URL: ${BV_CHALLENGE_API_BOT_RUNNER_URL:-http://bot-runner:8000}
-      BV_CHALLENGE_API_BOT_RUNNER_SESSION_COUNT: ${BV_CHALLENGE_API_BOT_RUNNER_SESSION_COUNT:-2}
-      BV_CHALLENGE_API_BOT_RUNNER_REQUEST_TIMEOUT_SEC: ${BV_CHALLENGE_API_BOT_RUNNER_REQUEST_TIMEOUT_SEC:-900}
+      BV_CHALLENGE_API_BOT_RUNNER_SESSION_COUNT: ${BV_CHALLENGE_API_BOT_RUNNER_SESSION_COUNT:-10}
+      BV_CHALLENGE_API_SECURITY_HEADERS_STRICT_TRANSPORT_SECURITY: "max-age=31536000; includeSubDomains; preload"
     env_file:
       - path: .env
         required: false
@@ -36,7 +36,7 @@ services:
       TERM: ${TERM:-xterm}
       TZ: ${TZ:-UTC}
       VM_RUNNER_API_PORT: ${VM_RUNNER_API_PORT:-8000}
-      DOCKER_HOST: unix:///docker-socket/docker.sock
+      DOCKER_HOST: unix:///var/run/docker.sock
       CHALLENGE_HTTPS_PROXY_PORT: ${CHALLENGE_HTTPS_PROXY_PORT:-10443}
       MDM_CHALLENGE_COMMIT_DIR: /commit
     env_file: