add named volumes + add ssh port variables

.env → .env.dist

@@ -1 +1,2 @@
 GITLAB_HOSTNAME=my.domain.tld
+GITLAB_SSH_PORT=22

.gitignore

@@ -1,3 +1 @@
-config/
-data/
-logs/
+.env

README.md

@@ -21,7 +21,7 @@ git clone https://github.com/solution-libre/docker-gitlab.git gitlab
 cd gitlab
 ```
 
-Change the hostname value in `.env`.
+Declare environment variables or copy the `.env.dist` to `.env` and adjust its values.
 
 ## Usage
 
@@ -38,6 +38,10 @@ docker-compose up -d
 
 The GitLab hostname. Default value: 'my.domain.tld'
 
+#### `GITLAB_SSH_PORT`
+
+The GitLab SSH port for git. Default value: '22'
+
 ## Development
 
 [Solution Libre](https://www.solution-libre.fr)'s repositories are open projects, and community contributions are essential for keeping them great.

docker-compose.yml

@@ -18,19 +18,25 @@ services:
       - default
       - web
     ports:
-      - '22:22'
+      - ${GITLAB_SSH_PORT}:22
     volumes:
-      - ./docker-volume/web/config:/etc/gitlab
-      - ./docker-volume/web/logs:/var/log/gitlab
-      - ./docker-volume/web/data:/var/opt/gitlab
+      - web_config:/etc/gitlab
+      - web_logs:/var/log/gitlab
+      - web_data:/var/opt/gitlab
 
   runner:
     image: 'gitlab/gitlab-runner:latest'
     restart: always
     volumes:
-      - ./docker-volume/runner/config:/etc/gitlab-runner
+      - runner_config:/etc/gitlab-runner
       - /var/run/docker.sock:/var/run/docker.sock
 
 networks:
   web:
     external: true
+
+volumes:
+  runner_config:
+  web_config:
+  web_data:
+  web_logs: