[bitnami/nginx] shutting down gracefully (#75942)

[bitnami/nginx] Shutting down gracefully

Signed-off-by: 6y <tlserver6y@gmail.com>
Signed-off-by: tommyluk <tommyluk@hket.com>

bitnami/nginx/1.27/debian-12/Dockerfile

@@ -22,6 +22,8 @@ ENV HOME="/" \
     OS_FLAVOUR="debian-12" \
     OS_NAME="linux"
 
+STOPSIGNAL SIGQUIT
+
 COPY prebuildfs /
 SHELL ["/bin/bash", "-o", "errexit", "-o", "nounset", "-o", "pipefail", "-c"]
 # Install required system packages and dependencies