fix: Add an environment variable for gitlab url

.env.test

@@ -7,3 +7,4 @@ POSTGRES_PORT=54320
 POSTGRES_USER=root
 SLACK_BOT_USER_O_AUTH_ACCESS_TOKEN=SLACK_BOT_USER_O_AUTH_ACCESS_TOKEN
 SLACK_SIGNING_SECRET=SLACK_SIGNING_SECRET
+GITLAB_URL=https://git.manomano.tech

README.md

@@ -202,6 +202,10 @@ Create a `.env` file containing the following variables:
 
     ![OAuth token](docs/assets/slack/oauth-token.png)
 
+- `GITLAB_URL`
+
+  The gitlab url of your organization
+
 If you want Homer to connect to an **external PostgreSQL database**, you can set
 the following variables:
 

src/constants.ts

@@ -1,12 +1,13 @@
 import type { GitlabMergeRequestState } from '@/core/typings/GitlabMergeRequest';
+import { getEnvVariable } from '@/core/utils/getEnvVariable';
 
 export const CHANNEL_NOT_FOUND_SLACK_ERROR = 'channel_not_found';
 export const EXPIRED_TRIGGER_ID_ERROR_MESSAGE =
   'D’oh! It looks like I took too much time to respond for Slack, could you retry your command? :homer-donut:';
 export const EXPIRED_TRIGGER_ID_SLACK_ERROR = 'expired_trigger_id';
 export const GENERIC_ERROR_MESSAGE =
   "D'oh! Something went wrong :homer-stressed: You will probably find more information on the error on <https://app.datadoghq.eu/logs?cols=host%2Cservice&live=true&messageDisplay=inline&query=service%3A%2Ahomer%2A%20%40env%3Asupport&index=%2A&stream_sort=desc|Datadog>.";
-export const GITLAB_URL = 'https://git.manomano.tech';
+export const GITLAB_URL = getEnvVariable('GITLAB_URL');
 export const HOMER_GITLAB_URL = `${GITLAB_URL}/tools/homer`;
 export const HTTP_STATUS_NO_CONTENT = 204;
 export const HTTP_STATUS_OK = 200;