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docs(xdebug): fix host on Linux

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Kévin Dunglas 2021-12-22 12:06:26 +01:00 committed by Maxime Helias
parent 8a9b8c8e26
commit fcff96b691
1 changed files with 19 additions and 15 deletions
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docs/xdebug.md
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@ -1,7 +1,8 @@
# Installing Xdebug
The default Docker stack is shipped without a Xdebug stage.
It's easy though to add [Xdebug](https://xdebug.org/) to your project, for development purposes such as debugging tests or API requests remotely.
The default Docker stack is shipped without [Xdebug](https://xdebug.org/),
a popular debugger and profiler for PHP.
It's easy, though, to add it to your project.
## Add a Debug Stage to the Dockerfile
@ -12,7 +13,7 @@ it's recommended to add a custom stage to the end of the `Dockerfile`.
# Dockerfile
FROM symfony_php AS symfony_php_debug
ARG XDEBUG_VERSION=3.0.4
ARG XDEBUG_VERSION=3.1.2
RUN set -eux; \
apk add --no-cache --virtual .build-deps $PHPIZE_DEPS; \
pecl install xdebug-$XDEBUG_VERSION; \
@ -25,7 +26,7 @@ RUN set -eux; \
Using an [override](https://docs.docker.com/compose/reference/overview/#specifying-multiple-compose-files) file named `docker-compose.debug.yml` ensures that the production
configuration remains untouched.
As example, an override could look like this:
As an example, an override could look like this:
```yaml
# docker-compose.debug.yml
@ -47,9 +48,12 @@ services:
# This should correspond to the server declared in PHPStorm `Preferences | Languages & Frameworks | PHP | Servers`
# Then PHPStorm will use the corresponding path mappings
PHP_IDE_CONFIG: serverName=symfony
extra_hosts:
# Ensure that host.docker.internal is correctly defined on Linux
- host.docker.internal:host-gateway
```
Build your image with your fresh new xdebug configuration:
Build your image with your fresh new XDebug configuration:
```console
docker-compose -f docker-compose.yml -f docker-compose.debug.yml build
@ -65,29 +69,29 @@ docker-compose -f docker-compose.yml -f docker-compose.debug.yml up -d
You can use the **Xdebug extension** for [Chrome](https://chrome.google.com/webstore/detail/xdebug-helper/eadndfjplgieldjbigjakmdgkmoaaaoc) or [Firefox](https://addons.mozilla.org/fr/firefox/addon/xdebug-helper-for-firefox/) if you want to debug on the browser (don't forget to configure it).
If you don't want to use it, just add on your request this query param: `XDEBUG_SESSION=PHPSTORM`.
If you don't want to use it, add on your request this query param: `XDEBUG_SESSION=PHPSTORM`.
On PHPStorm, you just have to click on the button `Start Listening for PHP Debug Connections` on the `Run` menu.
On PHPStorm, click on `Start Listening for PHP Debug Connections` in the `Run` menu.
Otherwise, you can create a [PHP Remote Debug](https://www.jetbrains.com/help/phpstorm/creating-a-php-debug-server-configuration.html) configuration with the following parameters:
* Server:
* Name: **symfony** (must be the same as defined in *PHP_IDE_CONFIG*)
* Host: **https://localhost** (or the one defined with *SERVER_NAME*)
* Port: **443**
* Debugger: **Xdebug**
* Absolute path on the server: **/srv/app**
* IDE key: **PHPSTORM**
* Name: `symfony` (must be the same as defined in `PHP_IDE_CONFIG`)
* Host: `https://localhost` (or the one defined with `SERVER_NAME`)
* Port: `443`
* Debugger: `Xdebug`
* Absolute path on the server: `/srv/app`
* IDE key: `PHPSTORM`
You can now use the debugger.
## Troubleshooting
Inspect the installation with the following command. The requested Xdebug version should be displayed in the output.
Inspect the installation with the following command. The Xdebug version should be displayed.
```console
$ docker-compose exec php php --version
PHP ...
with Xdebug v3.0.4 ...
with Xdebug v3.1.2 ...
```