add health check

Author: gondzo

.gitignore

@@ -0,0 +1 @@
+node_modules

app.js

@@ -12,6 +12,8 @@ const cors = require('cors')
 const HttpStatus = require('http-status-codes')
 const logger = require('./src/common/logger')
 const interceptor = require('express-interceptor')
+const healthcheck = require('topcoder-healthcheck-dropin')
+
 
 // setup express app
 const app = express()
@@ -48,6 +50,14 @@ app.use(interceptor((req, res) => {
   }
 }))
 
+// check if api is started
+// TODO: check db connection, docusign callback
+function check () {
+  return true;
+}
+
+app.use(healthcheck.middleware([check]))
+
 // Register routes
 require('./app-routes')(app)
 

package-lock.json

@@ -38,6 +38,7 @@
     "sequelize": "^5.3.0",
     "superagent": "^5.0.2",
     "tc-core-library-js": "appirio-tech/tc-core-library-js.git#v2.6.1",
+    "topcoder-healthcheck-dropin": "^1.0.3",
     "winston": "^3.2.1"
   },
   "standard": {