feat: change default port to 4321 (#7874)

Co-authored-by: Chris Swithinbank <swithinbank@gmail.com>

.changeset/unlucky-sheep-build.md

@@ -0,0 +1,7 @@
+---
+'astro': major
+---
+
+Astro's default port when running the dev or preview server is now `4321`.
+
+This will reduce conflicts with ports used by other tools.

.devcontainer/basics/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/basics",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/blog/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/blog",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/deno/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/deno",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/docs/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/docs",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-alpine/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-alpine",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-lit/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-lit",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-multiple/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-multiple",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-preact/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-preact",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-react/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-react",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-solid/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-solid",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-svelte/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-svelte",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/framework-vue/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/framework-vue",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/hackernews/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/hackernews",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/minimal/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/minimal",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/non-html-pages/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/non-html-pages",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/portfolio/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/portfolio",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/ssr/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/ssr",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-markdown-plugins/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-markdown-plugins",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-markdown-shiki/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-markdown-shiki",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-mdx/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-mdx",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-nanostores/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-nanostores",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-tailwindcss/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-tailwindcss",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-vite-plugin-pwa/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-vite-plugin-pwa",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.devcontainer/with-vitest/devcontainer.json

@@ -7,13 +7,13 @@
   "workspaceFolder": "/workspaces/astro/examples/with-vitest",
 
   "portsAttributes": {
-    "3000": {
+    "4321": {
       "label": "Application",
       "onAutoForward": "openPreview"
     }
   },
 
-  "forwardPorts": [3000],
+  "forwardPorts": [4321],
 
   "postCreateCommand": "pnpm install && cd /workspaces/astro && pnpm run build",
 

.gitpod.yml

@@ -18,7 +18,7 @@ vscode:
     - esbenp.prettier-vscode
     - dbaeumer.vscode-eslint
 ports:
-  - port: 3000
+  - port: 4321
     onOpen: open-preview
 github:
   prebuilds:

examples/basics/README.md

@@ -43,7 +43,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/basics/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/blog/README.md

@@ -53,7 +53,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/blog/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/deno/README.md

@@ -42,7 +42,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 |                           | (preview uses Deno CLI)                          |

examples/deno/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-alpine/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-lit/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-multiple/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-preact/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-react/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-solid/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-svelte/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/framework-vue/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/hackernews/README.md

@@ -48,7 +48,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/hackernews/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/minimal/README.md

@@ -36,7 +36,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/minimal/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/non-html-pages/README.md

@@ -41,7 +41,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/non-html-pages/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/portfolio/README.md

@@ -19,7 +19,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/portfolio/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-markdoc/README.md

@@ -45,7 +45,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/with-markdoc/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-markdown-plugins/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-markdown-shiki/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-mdx/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-nanostores/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-tailwindcss/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-vite-plugin-pwa/README.md

@@ -36,7 +36,7 @@ All commands are run from the root of the project, from a terminal:
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |
 | `npm install`             | Installs dependencies                            |
-| `npm run dev`             | Starts local dev server at `localhost:3000`      |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
 | `npm run build`           | Build your production site to `./dist/`          |
 | `npm run preview`         | Preview your build locally, before deploying     |
 | `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |

examples/with-vite-plugin-pwa/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

examples/with-vitest/sandbox.config.json

@@ -4,7 +4,7 @@
   "view": "browser",
   "template": "node",
   "container": {
-    "port": 3000,
+    "port": 4321,
     "startScript": "start",
     "node": "14"
   }

packages/astro/src/@types/astro.ts

@@ -327,7 +327,7 @@ type ServerConfig = {
 	/**
 	 * @name server.port
 	 * @type {number}
-	 * @default `3000`
+	 * @default `4321`
 	 * @description
 	 * Set which port the dev server should listen on.
 	 *
@@ -915,7 +915,7 @@ export interface AstroUserConfig {
 	 * ```js
 	 * {
 	 *   // Example: Use the function syntax to customize based on command
-	 *   server: ({ command }) => ({ port: command === 'dev' ? 3000 : 4000 })
+	 *   server: ({ command }) => ({ port: command === 'dev' ? 4321 : 4000 })
 	 * }
 	 * ```
 	 */
@@ -937,7 +937,7 @@ export interface AstroUserConfig {
 	 * @docs
 	 * @name server.port
 	 * @type {number}
-	 * @default `3000`
+	 * @default `4321`
 	 * @description
 	 * Set which port the server should listen on.
 	 *

packages/astro/src/cli/dev/index.ts

@@ -15,7 +15,7 @@ export async function dev({ flags }: DevOptions) {
 			usage: '[...flags]',
 			tables: {
 				Flags: [
-					['--port', `Specify which port to run on. Defaults to 3000.`],
+					['--port', `Specify which port to run on. Defaults to 4321.`],
 					['--host', `Listen on all addresses, including LAN and public addresses.`],
 					['--host <custom-address>', `Expose on a network IP address at <custom-address>`],
 					['--open', 'Automatically open the app in the browser on server start'],

packages/astro/src/core/config/schema.ts

@@ -32,7 +32,7 @@ const ASTRO_CONFIG_DEFAULTS = {
 	compressHTML: false,
 	server: {
 		host: false,
-		port: 3000,
+		port: 4321,
 		open: false,
 	},
 	integrations: [],

packages/astro/test/cli.test.js

@@ -131,8 +131,8 @@ describe('astro cli', () => {
 
 				// Note: our tests run in parallel so this could be 3000+!
 				expect(Number.parseInt(localURL.port)).to.be.greaterThanOrEqual(
-					3000,
+					4321,
-					`Expected Port to be >= 3000`
+					`Expected Port to be >= 4321`
 				);
 				expect(networkURL.port).to.be.equal(
 					localURL.port,

packages/astro/test/fixtures/astro-basic/astro.config.mjs

@@ -5,5 +5,5 @@ import preact from '@astrojs/preact';
 export default defineConfig({
 	integrations: [preact()],
 	// make sure CLI flags have precedence
-  server: () => ({ port: 3000 })
+  server: () => ({ port: 4321 })
 });

packages/astro/test/fixtures/ssr-preview/preview.mjs

@@ -1,7 +1,7 @@
 export default () => {
 	// noop
 	return {
-		port: 3000,
+		port: 4321,
 		closed() {},
 		stop() {}
 	}

packages/integrations/image/test/fixtures/background-color-image/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/basic-image/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/basic-picture/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/get-image-remote/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/no-alt-text-image/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/no-alt-text-picture/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/rotation/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' })]
 });

packages/integrations/image/test/fixtures/squoosh-service/astro.config.mjs

@@ -3,6 +3,6 @@ import image from '@astrojs/image';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent' })]
 });

packages/integrations/image/test/fixtures/with-mdx/astro.config.mjs

@@ -4,6 +4,6 @@ import mdx from '@astrojs/mdx';
 
 // https://astro.build/config
 export default defineConfig({
-	site: 'http://localhost:3000',
+	site: 'http://localhost:4321',
 	integrations: [image({ logLevel: 'silent', serviceEntryPoint: '@astrojs/image/sharp' }), mdx()]
 });

packages/integrations/node/README.md

@@ -159,7 +159,7 @@ For standalone mode the server handles file servering in addition to the page an
 You can override the host and port the standalone server runs on by passing them as environment variables at runtime:
 
 ```shell
-HOST=0.0.0.0 PORT=3000 node ./dist/server/entry.mjs
+HOST=0.0.0.0 PORT=4321 node ./dist/server/entry.mjs
 ```
 
 #### HTTPS

packages/integrations/prefetch/playwright.config.js

@@ -25,7 +25,7 @@ const config = {
 		/* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
 		actionTimeout: 0,
 		/* Base URL to use in actions like `await page.goto('/')`. */
-		baseURL: process.env.PLAYWRIGHT_TEST_BASE_URL || 'http://localhost:3000',
+		baseURL: process.env.PLAYWRIGHT_TEST_BASE_URL || 'http://localhost:4321',
 
 		/* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
 		trace: 'on-first-retry',