Add info endpoint

Change-Id: I1abe0281b948335f01af1d66d192cfdcbeed729f
Related-bug: PROD-25099 (PROD:25099)
diff --git a/sf_notifier/server.py b/sf_notifier/server.py
index a42c26a..e9414bc 100644
--- a/sf_notifier/server.py
+++ b/sf_notifier/server.py
@@ -40,6 +40,11 @@
 sf_cli = SalesforceClient(settings.SF_CONFIG)
 
 
+@app.route('/info', methods=['GET'])
+def info():
+    return jsonify({'version': settings.VERSION})
+
+
 @app.route('/hook', methods=['POST'])
 def webhook_receiver():
 
diff --git a/sf_notifier/settings/development.py b/sf_notifier/settings/development.py
index 39e7006..08607ac 100644
--- a/sf_notifier/settings/development.py
+++ b/sf_notifier/settings/development.py
@@ -1,3 +1,5 @@
+VERSION = 'development'
+
 LOGGING = {
     'version': 1,
     'formatters': {'default': {
diff --git a/sf_notifier/settings/production.py b/sf_notifier/settings/production.py
index d98036f..931c764 100644
--- a/sf_notifier/settings/production.py
+++ b/sf_notifier/settings/production.py
@@ -1,3 +1,5 @@
+VERSION = 'production'
+
 LOGGING = {
     'version': 1,
     'formatters': {'default': {
diff --git a/sf_notifier/vars/development b/sf_notifier/vars/development
index 0792fb3..b6c27d6 100644
--- a/sf_notifier/vars/development
+++ b/sf_notifier/vars/development
@@ -1,4 +1 @@
-export FLASK_APP=sf_notifier/server.py
-export FLASK_ENV=development
-
 export SIMPLE_SETTINGS=sf_notifier.settings.development
diff --git a/sf_notifier/vars/production b/sf_notifier/vars/production
index 85d050b..7c6bbb8 100644
--- a/sf_notifier/vars/production
+++ b/sf_notifier/vars/production
@@ -1,4 +1 @@
-export FLASK_APP=sf_notifier/server.py
-export FLASK_ENV=production
-
 export SIMPLE_SETTINGS=sf_notifier.settings.production