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added expose in file

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knoldus 2022-02-14 14:51:50 +05:30
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commit 1b9c94b166
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get-started/02_our_app.md
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@ -50,6 +50,7 @@ see a few flaws in the Dockerfile below. But, don't worry. We'll go over them.
COPY . .
RUN yarn install --production
CMD ["node", "src/index.js"]
EXPOSE 3000
```
Please check that the file `Dockerfile` has no file extension like `.txt`. Some editors may append this file extension automatically and this would result in an error in the next step.