clean install

web/profiles/farm/docs/development/environment/drush.md

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+# Drush
+
+The farmOS Docker image comes pre-installed with
+[Drush](https://www.drush.org), which provides shell commands for working with
+a Drupal installation.
+
+## Running Drush in Docker
+
+In order to run the `drush` command, you must use `docker exec` to run the
+command inside the farmOS container.
+
+    docker exec -it -u www-data farmos_www_1 drush
+
+For example, the following will run the `drush cr` command to rebuild caches:
+
+    docker exec -it -u www-data farmos_www_1 drush cr
+
+## Useful commands
+
+Some useful Drush commands are documented here.
+
+### Rebuild caches
+
+    drush cr
+
+### Install a module
+
+    drush en log