diff --git a/Dockerfile b/Dockerfile
index 17125c3..41990f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,8 @@ COPY parse_db_url.sh /usr/local/bin/parse_db_url.sh
 
 USER root
 RUN chmod 755 /usr/local/bin/parse_db_url.sh
+RUN chmod a+rwx /var/lib/gitea/custom/conf/app.ini
+
 
 USER 1000:1000
 
diff --git a/parse_db_url.sh b/parse_db_url.sh
index 6e5f588..18d9007 100644
--- a/parse_db_url.sh
+++ b/parse_db_url.sh
@@ -5,5 +5,6 @@ export GITEA__database__USER=$(echo ${DATABASE_URL} | sed -r "s|.*://([^:]+):.*|
 export GITEA__database__PASSWD=$(echo ${DATABASE_URL} | sed -r "s|.*://[^:]+:([^@]+)@.*|\1|")
 export GITEA__database__HOST=$(echo ${DATABASE_URL} | sed -r "s|.*@([^:]+):.*|\1|")
 export GITEA__database__NAME=$(echo ${DATABASE_URL} | sed -r "s|.*:([0-9]+)/([^?]+).*|\2|")
+printf "[database]\nDB_TYPE = postgres\n" > /var/lib/gitea/custom/conf/app.ini
 
 /usr/local/bin/gitea web -port $PORT