Finalizando o exemplo-2 do Docker

glaucia86 · Aug 3, 2019 · ab225d5 · ab225d5
1 parent 0694762
commit ab225d5
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/exemplo-2/Dockerfile b/exemplo-2/Dockerfile
@@ -4,8 +4,10 @@ WORKDIR /app
 
 COPY . .
 
+ENV PORT=3000
+
 RUN npm install
 
-EXPOSE 3000
+EXPOSE $PORT
 
 ENTRYPOINT ["node", "app.js"]
diff --git a/exemplo-2/app.js b/exemplo-2/app.js
@@ -9,7 +9,7 @@ const express = require('express');
 
 const app = express();
 
-const port = process.env.PORT || 3000;
+const port = process.env.PORT;
 
 app.get('/', (req, res) => {
   res.status(200).send({
@@ -20,4 +20,4 @@ app.get('/', (req, res) => {
 });
 
 app.listen(port);
-console.log('Aplicação executando na porta ', port);
+console.log(`Aplicação executando na porta..: ${port}`);