You are browsing the Symfony 4.0 documentation, which changes significantly from Symfony 3.x. If your app doesn't use Symfony 4.0 yet, browse the Symfony 3.4 documentation.
Using webpack-dev-server and HMR
Using webpack-dev-server and HMR¶
While developing, instead of using encore dev --watch, you can use the
webpack-dev-server:
1 | $ ./node_modules/.bin/encore dev-server
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This serves the built assets from a new server at http://localhost:8080 (it does
not actually write any files to disk). This means your script and link tags
need to change to point to this.
If you've activated the manifest.json versioning you're done: the paths in your templates will automatically point to the dev server.
You can also pass options to the dev-server command: any options that are supported
by the normal webpack-dev-server. For example:
1 | $ ./node_modules/.bin/encore dev-server --https --port 9000
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This will start a server at https://localhost:9000.
Note
This Webpack server is independent from Symfony's development web server and you need to run both separately.
Using dev-server inside a VM¶
If you're using dev-server from inside a virtual machine, then you'll need
to bind to all IP addresses and allow any host to access the server:
1 | $ ./node_modules/.bin/encore dev-server --host 0.0.0.0 --disable-host-check
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You can now access the dev-server using the IP address to your virtual machine on port 8080 - e.g. http://192.168.1.1:8080.
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.