Fill README with some steps for production env

README.md

@@ -13,21 +13,26 @@ The easiest way to have a working server is to build a Docker container.
 ### Docker
 
 First, build the container with the following command:
+
 ```
 docker build -t fic .
 ```
 
 Then, run it with:
+
 ```
 docker run -t -i -P fic
 ```
+
 It will ask you for a passphrase, you must provide one with at least 4
 characters. This key is used to generate the server certificate.
 
 When you see:
+
 ```
 root@xxxxxxxxxxxx:/var/www/fic-server/misc#
 ```
+
 congratulations, the container is running!
 
 Use `docker ps` to view to which local ports was assigned the contained
@@ -90,6 +95,53 @@ CONNTRACK states.
 
 #### Backend
 
+##### Docker containers
+
+Main Docker backend container relies on several other container:
+
+* MySQL database ;
+* Database storage (as data only container) ;
+* PKI storage ;
+* PKI shared storage ;
+* challenge files containers ;
+* the backend.
+
+To have a fully working backend:
+
+1. Create a data-only container:
+
+```
+docker run --name mysql_data -v /var/lib/mysql busybox
+```
+
+2. Setup the MySQL server:
+
+```
+docker run -d --name db_setup --volumes-from mysql_data -e MYSQL_ROOT_PASSWORD=mysecretpassword -e MYSQL_USER=fic -e MYSQL_PASSWORD=anotherpassword -e MYSQL_DATABASE=fic mysql
+```
+
+Fill the database:
+
+```
+docker build -t db_filler db/
+docker run --rm -it --link db_setup:db db_filler
+```
+
+Stop it:
+
+```
+docker stop db_setup
+docker rm db_setup
+```
+
+3. Run the database container:
+
+```
+docker run -d --name db --volumes-from mysql_data mysql
+```
+
+
+
 ##### Requirements
 
 * `realpath`;