specify nginx launch command in Dockerfile

Removes `nami start` as the launch command.

bitnami/nginx/1/Dockerfile

@@ -25,4 +25,4 @@ EXPOSE 80 443
 
 ENTRYPOINT ["/app-entrypoint.sh"]
 
-CMD ["nami", "start", "--foreground", "nginx"]
+CMD ["/opt/bitnami/nginx/sbin/nginx"]

bitnami/nginx/1/rootfs/app-entrypoint.sh

@@ -5,10 +5,15 @@
 print_welcome_page
 check_for_updates &
 
-if [[ "$1" == "nami" && "$2" == "start" ]] || [[ "$1" == "/init.sh" ]]; then
+if [[ "$1" == "nami" && "$2" == "start" ]] || [[ "$(basename $1)" == "nginx" ]] || [[ "$1" == "/init.sh" ]]; then
   nami_initialize nginx
+
+  # ensure nginx is not daemonized
+  if [[ "$(basename $1)" == "nginx" ]]; then
+    set -- "$@" -g 'daemon off;'
+  fi
+
   chown -R :daemon /bitnami/nginx || true
-  info "Starting nginx..."
 fi
 
 exec tini -- "$@"