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Update to use Python pre-built image

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Chuck Lantz
2020-03-31 19:23:03 +00:00
parent 5ae62f4832
commit d1e170119e
3 changed files with 61 additions and 73 deletions
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README.md
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@@ -35,9 +35,9 @@ Some things to try:
- Try adding some code and check out the language features.
2. **Terminal:**
- Press <kbd>ctrl</kbd>+<kbd>shift</kbd>+<kbd>\`</kbd> to open a terminal window.
- Type `python -m flask run --host 0.0.0.0 --port 9000 --no-debugger --no-reload` to run the app.
> **Note:** It is important to add `--host 0.0.0.0` when using `appPort` in `devcontainer.json` since this uses Docker to "publish" the port rather than forwarding it. It therefore will not work if the application only listens to localhost.
- Type `python -m flask run --port 9000 --no-debugger --no-reload` to run the app.
- Open a local browser and go to `http://localhost:9000` to see the running app.
> **Tip:** If you use this container outside of VS Code via `docker run` with `-p 9000`, you may need to append `--host 0.0.0.0` to the command above. The `-p` option "publishes" the port rather than forwarding it. It therefore will not work if the application only listens to localhost. The `forwardPorts` property in `devcontainer.json` does not have this limitation, but you can use `appPort` to publish instead if you prefer.
3. **Build, Run, and Debug:**
- Open `app.py`
- Add a breakpoint (e.g. on line 9).