diff --git a/Dockerfile b/Dockerfile
index 49fed7a..4ef2819 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,12 +17,14 @@ RUN rm /etc/nginx/sites-enabled/default
 RUN git clone https://github.com/gothfox/Tiny-Tiny-RSS.git /var/www
 WORKDIR /var/www
 RUN cp config.php-dist config.php
-RUN sed -i -e "/'SELF_URL_PATH'/s/ '.*'/ 'http:\/\/localhost\/'/" config.php
 RUN chown www-data:www-data -R /var/www
 
 # expose only nginx HTTP port
 EXPOSE 80
 
+# complete path to ttrss
+ENV SELF_URL_PATH http://localhost
+
 # expose default database credentials via ENV in order to ease overwriting
 ENV DB_NAME ttrss
 ENV DB_USER ttrss
diff --git a/README.md b/README.md
index afbde3a..a884f7c 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ If you've already followed the [quickstart](#quickstart) guide and everything wo
 This container requires a PostgreSQL or MySQL database instance.
 
 Following docker's best practices, this container does not contain its own database,
-but instead expects you to supply a running instance. 
+but instead expects you to supply a running instance.
 While slightly more complicated at first, this gives your more freedom as to which
 database instance and configuration you're relying on.
 Also, this makes this container quite disposable, as it doesn't store any sensitive
@@ -152,6 +152,18 @@ following additional arguments:
 -e DB_ENV_PASS=docker
 ```
 
+### SELF_URL_PATH
+
+The `SELF_URL_PATH` config value should be set to the URL where this TinyTinyRSS
+will be accessible at. Setting it correctly will enable PUSH support and make
+the browser integration work. Default value: `http://localhost`.
+
+For more information check out the [official documentation](https://github.com/gothfox/Tiny-Tiny-RSS/blob/master/config.php-dist#L22).
+
+```
+-e SELF_URL_PATH=https://example.org/ttrss
+```
+
 ### Testing ttrss in foreground
 
 For testing purposes it's recommended to initially start this container in foreground.
diff --git a/configure-db.php b/configure-db.php
index 6025e30..8f9b1e3 100644
--- a/configure-db.php
+++ b/configure-db.php
@@ -5,6 +5,9 @@ $confpath = '/var/www/config.php';
 
 $config = array();
 
+// path to ttrss
+$config['SELF_URL_PATH'] = env('SELF_URL_PATH', 'http://localhost');
+
 if (getenv('DB_TYPE') !== false) {
     $config['DB_TYPE'] = getenv('DB_TYPE');
 } elseif (getenv('DB_PORT_5432_TCP_ADDR') !== false) {