diff --git a/Dockerfile b/Dockerfile
index 5709c57..82d509b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,25 +1,9 @@
 FROM gitea/gitea:1.14.5-rootless
 
-ENV GITEA_CUSTOM=/var/lib/gitea/custom
+RUN chmod a+rwx /var/lib/gitea/custom/conf/app.ini
 
-RUN DATABASE_USER=$(echo $DATABASE_URL | cut -d ':' -f 2 | cut -d '/' -f 3) \
-    && DATABASE_PASSWORD=$(echo $DATABASE_URL | cut -d ':' -f 3 | cut -d '@' -f 1) \
-    && DATABASE_HOST=$(echo $DATABASE_URL | cut -d '@' -f 2 | cut -d ':' -f 1) \
-    && DATABASE_PORT=$(echo $DATABASE_URL | cut -d ':' -f 4 | cut -d '/' -f 1) \
-    && DATABASE_NAME=$(echo $DATABASE_URL | cut -d '/' -f 4) \
-    && export GITEA__database__USER=$DATABASE_USER \
-    && export GITEA__database__PASSWD=$DATABASE_PASSWORD \
-    && export GITEA__database__HOST=$DATABASE_HOST \
-    && export GITEA__database__NAME=$DATABASE_NAME \
-    && export GITEA__database__DB_TYPE=postgres \
-    && export GITEA__database__SSL_MODE=require
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
 
-ENV GITEA__database__USER=$DATABASE_USER \
-    GITEA__database__PASSWD=$DATABASE_PASSWORD \
-    GITEA__database__HOST=$DATABASE_HOST \
-    GITEA__database__NAME=$DATABASE_NAME \
-    GITEA__database__DB_TYPE=postgres \
-    GITEA__database__SSL_MODE=require
-
-COPY app.ini /var/lib/gitea/custom/conf/app.ini
+RUN chmod +x /usr/local/bin/entrypoint.sh
 
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
diff --git a/config.sh b/config.sh
new file mode 100644
index 0000000..82bc8db
--- /dev/null
+++ b/config.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Extract values from DATABASE_URL
+DATABASE_USER=$(echo $DATABASE_URL | cut -d ':' -f 2 | cut -d '/' -f 3)
+DATABASE_PASSWORD=$(echo $DATABASE_URL | cut -d ':' -f 3 | cut -d '@' -f 1)
+DATABASE_HOST=$(echo $DATABASE_URL | cut -d '@' -f 2 | cut -d ':' -f 1)
+DATABASE_PORT=$(echo $DATABASE_URL | cut -d ':' -f 4 | cut -d '/' -f 1)
+DATABASE_NAME=$(echo $DATABASE_URL | cut -d '/' -f 4)
+
+# Export the extracted variables as environment variables
+export GITEA__database__USER=$DATABASE_USER
+export GITEA__database__PASSWD=$DATABASE_PASSWORD
+export GITEA__database__HOST=$DATABASE_HOST
+export GITEA__database__NAME=$DATABASE_NAME
+export GITEA__database__DB_TYPE=postgres
+export GITEA__database__SSL_MODE=require
+
+/usr/local/bin/gitea web -port $PORT