PHP 8.2 Dev Container and VS Code launch options starting point

devcontainer.json

// .devcontainer/devcontainer.json

{
	// build from dockerfile
	"build": {
		"dockerfile": "Dockerfile",
		"context": ".."
	},
	// specify run arguments
	"runArgs": [
		"--dns=8.8.8.8" // for some reason DNS doesn't work right unless we explicitly name a DNS server
	],
	// mount entire sites_v2 directory, so we can access global config and shared DB
	"workspaceMount": "source=${localWorkspaceFolder},target=/workspace/${localWorkspaceFolderBasename},type=bind,consistency=cached",
	"workspaceFolder": "/workspace/${localWorkspaceFolderBasename}",
	// specify extensions that we want
	"customizations": {
		"vscode": {
			"extensions": [
				"DEVSENSE.intelli-php-vscode",
				"DEVSENSE.phptools-vscode",
				"DEVSENSE.profiler-php-vscode",
				"DEVSENSE.composer-php-vscode",
				"SanderRonde.phpstan-vscode",
				"sibiraj-s.vscode-scss-formatter",
				"mrmlnc.vscode-scss",
				"Gruntfuggly.todo-tree",
				"redhat.vscode-yaml",
				"oliversturm.fix-json",
				"ecmel.vscode-html-css",
				"yzhang.markdown-all-in-one",
				"DavidAnson.vscode-markdownlint",
				"helixquar.randomeverything",
				"neilbrayfield.php-docblocker",
				"ms-vscode.test-adapter-converter"
			]
		}
	}
}

Dockerfile

# .devcontainer/Dockerfile

FROM ubuntu:22.04

# prepare to install php 8.2
RUN apt update && apt install -y software-properties-common
RUN add-apt-repository ppa:ondrej/php
RUN apt update

# install php 8.2 and other fundamental packages
RUN export DEBIAN_FRONTEND=noninteractive; apt install -y --no-install-recommends php8.2 php-curl git openssl unzip

# install composer and its CA certificates
COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
COPY --from=composer:latest /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt

# install the PHP extensions that basically all PHP projects should need
RUN export DEBIAN_FRONTEND=noninteractive; apt install -y php8.2-opcache php-xdebug php-mbstring php-zip php-gd php-xml

# install extensions that are more project-specific
RUN export DEBIAN_FRONTEND=noninteractive; apt install -y php-sqlite3

launch.json

// .vscode/launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Launch Server",
      "type": "php",
      "request": "launch",
      "runtimeArgs": [
        "-dxdebug.mode=debug",
        "-dxdebug.start_with_request=yes",
        "-S",
        "localhost:0",
        // your entry script goes here
        "${workspaceRoot}/web/index.php
      ],
      "cwd": "${workspaceRoot}",
      "port": 9003,
      "serverReadyAction": {
        "pattern": "Development Server \\(http://localhost:([0-9]+)\\) started",
        "uriFormat": "http://localhost:%s",
        "action": "openExternally"
      }
    }
  ]
}