Update DOCKER_INSTALL.md

docs/DOCKER_INSTALL.md

@@ -8,10 +8,9 @@
    install](https://docs.docker.com/compose/install/)
 
 ### Set up the boltcard server
-- edit `.env` to set up the database connection
-- edit `settings.sql` to set up [bolt card system settings](SETTINGS.md)
-   - Put the `tls.cert` file and `admin.macaroon` files in the project root directory and in the settings.sql, set the paths to the files to `/boltcard/tls.cert` and `/boltcard/admin.macaroon`
-- edit `Caddyfile` to set the boltcard domain name
+- Run `chmod +x docker_init.sh`
+- Run `./docker_init.sh` to set up the initial data
+- Put the `tls.cert` file and `admin.macaroon` files in the project root directory
 
 ### https setup