add HACKMD_URI_FOR_SERVER env var

README.md

@@ -156,7 +156,7 @@ Environment Variables
     * MONGO_URI: URI to connect to MongoDB.
 * **Option**
     * NODE_ENV: `production` OR `development`.
-    * PORT: Server port. default: `3000`
+    * PORT: Server port. default: `3000`.
     * ELASTICSEARCH_URI: URI to connect to Elasticearch.
     * REDIS_URI: URI to connect to Redis (use it as a session store instead of MongoDB).
     * PASSWORD_SEED: A password seed used by password hash generator.
@@ -165,15 +165,16 @@ Environment Variables
     * FILE_UPLOAD: `aws` (default), `local`, `none`
 * **Option to integrate with external systems**
     * HACKMD_URI: URI to connect to [HackMD(CodiMD)](https://hackmd.io/) server.
+    * HACKMD_URI_FOR_SERVER: URI to connect to [HackMD(CodiMD)](https://hackmd.io/) server from GROWI Express server. If not set, `HACKMD_URI` will be used.
     * PLANTUML_URI: URI to connect to [PlantUML](http://plantuml.com/) server.
     * BLOCKDIAG_URI: URI to connect to [blockdiag](http://http://blockdiag.com/) server.
 * **Option (Overwritable in admin page)**
-    * OAUTH_GOOGLE_CLIENT_ID: Google API client id for OAuth login
-    * OAUTH_GOOGLE_CLIENT_SECRET: Google API client secret for OAuth login
-    * OAUTH_GOOGLE_CALLBACK_URI: Google API callback URI for OAuth login (Set `https://${growi.host}/passport/google/callback`)
-    * OAUTH_GITHUB_CLIENT_ID: GitHub API client id for OAuth login
-    * OAUTH_GITHUB_CLIENT_SECRET: GitHub API client secret for OAuth login
-    * OAUTH_GITHUB_CALLBACK_URI: GitHub API callback URI for OAuth login (Set `https://${growi.host}/passport/github/callback`)
+    * OAUTH_GOOGLE_CLIENT_ID: Google API client id for OAuth login.
+    * OAUTH_GOOGLE_CLIENT_SECRET: Google API client secret for OAuth login.
+    * OAUTH_GOOGLE_CALLBACK_URI: Google API callback URI for OAuth login (Set `https://${growi.host}/passport/google/callback`).
+    * OAUTH_GITHUB_CLIENT_ID: GitHub API client id for OAuth login.
+    * OAUTH_GITHUB_CLIENT_SECRET: GitHub API client secret for OAuth login.
+    * OAUTH_GITHUB_CALLBACK_URI: GitHub API callback URI for OAuth login (Set `https://${growi.host}/passport/github/callback`).
 
 
 Documentation

lib/routes/hackmd.js

@@ -74,7 +74,7 @@ module.exports = function(crowi, app) {
    * @param {object} res
    */
   const integrate = async function(req, res) {
-    const hackmdUri = process.env.HACKMD_URI;
+    const hackmdUri = process.env.HACKMD_URI_FOR_SERVER || process.env.HACKMD_URI;
     let page = req.page;
 
     if (page.pageIdOnHackmd != null) {