fix: add missing healthcheck script

.drone.star

@@ -1212,13 +1212,14 @@ def buildDockerImage():
 		'pull': 'always',
 		'settings': {
 			'username': {
-			'from_secret': 'docker_username',
-		},
-		'password': {
-			'from_secret': 'docker_password',
-		},
-		'auto_tag': True,
-		'repo': 'owncloud/web',
+				'from_secret': 'docker_username',
+			},
+			'password': {
+				'from_secret': 'docker_password',
+			},
+			'auto_tag': True,
+			'dockerfile': 'docker/Dockerfile',
+			'repo': 'owncloud/web',
 		},
 		'when': {
 			'ref': {

Dockerfile → docker/Dockerfile

@@ -12,6 +12,7 @@ LABEL maintainer="ownCloud GmbH <[email protected]>" \
 
 RUN rm -f /var/lib/nginx/html/*
 
+ADD docker/overlay /
 ADD dist/ /var/lib/nginx/html
 
 EXPOSE 8080

docker/overlay/usr/bin/healthcheck

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+set -eo pipefail
+
+URL=http://127.0.0.1:8080
+
+wget --quiet --tries=1 --spider ${URL}
+[ $? -ne 0 ] && exit 1
+
+exit 0