📝 update readme

Author: silencesys

README.md

@@ -1,8 +1,12 @@
-# PHP+OCI8 Docker image
+# PHP with OCI8 extension docker image
 
 This is my custom docker image based on official php-fpm image with installed oci8 and few other extensions.
 
-## Available extensions
+## Tags
+- [`latest`, `1.2`, `1.1`](https://github.com/silencesys/docker-php-oci8/blob/master/Dockerfile) 
+
+## Extensions installed within this image
+This image brings few more extensions than the default PHP-fpm one.
 - zip
 - gdo
 - opcache
@@ -16,8 +20,17 @@ This is my custom docker image based on official php-fpm image with installed oc
 You can freely use this image as a base for your own docker images. Simply put to your Dockerfile following line:
 ```Docker
 FROM silencesys/php-oci8:latest
+
+COPY . /usr/src/myapp
+WORKDIR /usr/src/myapp
+
+CMD ["php-fpm"]
+EXPOSE 9000
 ```
 
+<br>
+
+### Custom configuration
 To modify php configuration.
 ```Docker
 COPY ./config/your_config.ini /usr/local/etc/php/conf.d/custom.ini