Add curl and honor WEBAPP_BASEURL in health check

Author: edomora97

docker/domserver/Dockerfile

@@ -54,7 +54,7 @@ ENV DEBIAN_FRONTEND=noninteractive \
 # Install required packages for running of domserver
 RUN apt-get update \
 	&& apt-get install --no-install-recommends --no-install-suggests -y \
-	acl zip unzip supervisor mariadb-client apache2-utils \
+	acl curl zip unzip supervisor mariadb-client apache2-utils \
 	nginx php-cli php-fpm php-zip \
 	php-gd php-curl php-mysql php-json php-intl \
 	php-gmp php-xml php-mbstring php-ldap \

docker/domserver/scripts/bin/healthcheck

@@ -13,7 +13,10 @@ for service in "${SERVICES[@]}"; do
     fi
 done
 
-if php -r 'exit(@file_get_contents("http://localhost/api/") === false ? 1 : 0);'; then
+# This script has access to $WEBAPP_BASEURL, but not to the sanity checks done by 50-domejudge. So we fallback looking
+# at the configuration file where this path is stored.
+BASEURL=$(grep domjudge.baseurl /opt/domjudge/domserver/webapp/config/static.yaml | awk '{ print $2 }')
+if curl --silent --fail "$BASEURL/api" >/dev/null; then
     printf "http ok"
 else
     printf "http error"