[eas-cli] add environment to eas.schema.json (#2719)

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# Why

Add environment to `eas.schema.json`

# How

Add environment to `eas.schema.json`

CHANGELOG.md

@@ -13,6 +13,7 @@ This is the log of notable changes to EAS CLI and related packages.
 - Add `eas env` commands. ([#2711](https://github.com/expo/eas-cli/pull/2711) by [@szdziedzic](https://github.com/szdziedzic))
 - Add `--environment` flag to `eas update` command. ([#2711](https://github.com/expo/eas-cli/pull/2711) by [@szdziedzic](https://github.com/szdziedzic))
 - Load readable environment variables from EAS servers on every build. ([#2644](https://github.com/expo/eas-cli/pull/2644) by [@szdziedzic](https://github.com/szdziedzic))
+- Add environment field to `eas.schema.json`. ([#2719](https://github.com/expo/eas-cli/pull/2719) by [@szdziedzic](https://github.com/szdziedzic))
 
 ### 🐛 Bug fixes
 

packages/eas-cli/src/commandUtils/flags.ts

@@ -83,7 +83,7 @@ export const EasJsonOnlyFlag = {
 export const EasUpdateEnvironmentFlag = {
   environment: Flags.enum<EnvironmentVariableEnvironment | null>({
     description:
-      'Environment to use the server-side defined EAS environment variables for during command execution.',
+      'Environment to use for the server-side defined EAS environment variables during command execution.',
     options: mapToLowercase(Object.values(EnvironmentVariableEnvironment)),
     parse: upperCaseAsync,
     required: false,

packages/eas-json/schema/eas.schema.json

@@ -202,6 +202,11 @@
           "description": "Custom workflow file name that will be used to run this build. You can also specify this property on platform level for platform-specific workflows. Learn more: https://docs.expo.dev/custom-builds/get-started/",
           "type": "string"
         },
+        "environment": {
+          "description": "Environment to use for the server-side defined EAS environment variables during build process and command execution. Learn more: https://docs.expo.dev/eas/environment-variables/",
+          "markdownDescription": "Environment to use for the server-side defined EAS environment variables during build process and command execution. [Learn more](https://docs.expo.dev/eas/environment-variables/)",
+          "enum": ["production", "preview", "development"]
+        },
         "android": {
           "$ref": "#/definitions/BuildProfileAndroid"
         },