Allow integrating docker containers in traefik

Author: OdyX

README.md

@@ -130,6 +130,7 @@ You can change the configuration of the docker images by setting various environ
 | `MOODLE_DOCKER_WEB_HOST`                  | no        | any valid hostname                    | localhost     | The hostname for web                                |
 | `MOODLE_DOCKER_WEB_PORT`                  | no        | any integer value                     | 8000          | The port number for web. If set to 0, no port is used                        |
 | `MOODLE_DOCKER_SELENIUM_VNC_PORT`         | no        | any integer value                     | not set       | If set, the selenium node will expose a vnc session on the port specified    |
+| `MOODLE_DOCKER_TRAEFIK`                   | no        | any value                             | not set       | If set, integrate the docker containers in traefik                           |
 
 ## Advanced usage
 

bin/moodle-docker-compose

@@ -31,6 +31,12 @@ dockercompose="${dockercompose} -f ${basedir}/service.mail.yml"
 # PHP Version.
 export MOODLE_DOCKER_PHP_VERSION=${MOODLE_DOCKER_PHP_VERSION:-7.1}
 
+# Enable Traefik
+if [ -n "$MOODLE_DOCKER_TRAEFIK" ];
+then
+    dockercompose="${dockercompose} -f ${basedir}/traefik.yml"
+fi
+
 # Database flavour
 if [ "$MOODLE_DOCKER_DB" != 'pgsql' ];
 then
@@ -69,7 +75,7 @@ export MOODLE_DOCKER_WEB_HOST=${MOODLE_DOCKER_WEB_HOST:-localhost}
 
 # Webserver port
 export MOODLE_DOCKER_WEB_PORT=${MOODLE_DOCKER_WEB_PORT:-8000}
-if [[ $MOODLE_DOCKER_WEB_PORT -gt 0 ]]
+if [[ $MOODLE_DOCKER_WEB_PORT -gt 0 ]] && [ -z "$MOODLE_DOCKER_TRAEFIK" ]
 then
     dockercompose="${dockercompose} -f ${basedir}/webserver.port.yml"
 fi

config.docker-template.php

@@ -19,7 +19,7 @@
 }
 $CFG->wwwroot   = "http://{$host}";
 $port = getenv('MOODLE_DOCKER_WEB_PORT');
-if (!empty($port)) {
+if (!empty($port) && empty(getenv('MOODLE_DOCKER_TRAEFIK'))) {
     $CFG->wwwroot .= ":{$port}";
 }
 $CFG->dataroot  = '/var/www/moodledata';

traefik.yml

@@ -0,0 +1,26 @@
+version: "2"
+services:
+  webserver:
+    environment:
+      MOODLE_DOCKER_TRAEFIK: "${MOODLE_DOCKER_TRAEFIK}"
+    labels:
+      - "traefik.enable=true"
+      - "traefik.frontend.rule=Host:${MOODLE_DOCKER_WEB_HOST}"
+      - 'traefik.docker.network=traefik_default'
+    networks:
+      - default
+      - traefik
+  exttests:
+    networks:
+      - default
+      - traefik
+  selenium:
+    networks:
+      - default
+      - traefik
+
+networks:
+  default:
+  traefik:
+    external:
+      name: traefik_default