A stab at deploying

lib/server/app.ts

@@ -7,6 +7,7 @@ import passport from './passport';
 import { performanceLogger, perfromanceTimer } from './middleware/performance';
 import { errorHandler } from './middleware/errorHandler';
 import { authRouter } from './controllers/auth';
+import { SESSION_KEY } from '../constants/env';
 
 const app: Koa = new Koa();
 
@@ -16,7 +17,7 @@ app.use(performanceLogger);
 app.use(bodyparser());
 app.use(cookie());
 
-app.keys = [process.env.SESSION_KEYS as string];
+app.keys = [SESSION_KEY];
 app.use(session({}, app));
 
 app.use(passport.initialize());