Add environment variables definition for Heroku deploy.

Signed-off-by: YusukeIwaki <iwaki+git@i3-systems.com>

app.json

@@ -80,6 +80,14 @@
             "description": "GitHub API client secret",
             "required": false
         },
+        "HMD_BITBUCKET_CLIENTID": {
+            "description": "Bitbucket API client id",
+            "required": false
+        },
+        "HMD_BITBUCKET_CLIENTSECRET": {
+            "description": "Bitbucket API client secret",
+            "required": false
+        },
         "HMD_GITLAB_BASEURL": {
             "description": "GitLab authentication endpoint, set to use other endpoint than GitLab.com (optional)",
             "required": false

lib/config/hackmdEnvironment.js

@@ -62,6 +62,10 @@ module.exports = {
     clientID: process.env.HMD_GITHUB_CLIENTID,
     clientSecret: process.env.HMD_GITHUB_CLIENTSECRET
   },
+  bitbucket: {
+    clientID: process.env.HMD_BITBUCKET_CLIENTID,
+    clientSecret: process.env.HMD_BITBUCKET_CLIENTSECRET
+  },
   gitlab: {
     baseURL: process.env.HMD_GITLAB_BASEURL,
     clientID: process.env.HMD_GITLAB_CLIENTID,