fix: return cors header

Dockerfile

@@ -0,0 +1,13 @@
+FROM node
+
+COPY . /app
+
+WORKDIR /app
+
+RUN npm install
+
+ENV PORT=80
+
+EXPOSE 80
+
+CMD ["npm", "start"]

src/api/app.js

@@ -5,8 +5,12 @@ const errorMiddleware = require('../middlewares/error');
 
 const app = express();
 
-app.get('/users', rescue(UserController));
+app.use((req, res, next) => {
+  res.setHeader('Access-Control-Allow-Origin', '*');
+  next();
+})
 
+app.get('/users', rescue(UserController));
 app.use(errorMiddleware);
 
 module.exports = app;