A simple method to anonymize environment variables on Angular using Firebase data as an example. It's important that you don't forget of put the follow path in your .gitignore:
src/environments/environment.ts
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August 18, 2023 01:22
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Secrets env on Angular
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| { | |
| ..., | |
| "projects": { | |
| "tutorial-app": { | |
| ..., | |
| "architect": { | |
| "build": { | |
| "builder": "@angular-devkit/build-angular:browser", | |
| "options": { | |
| ..., | |
| }, | |
| "configurations": { | |
| "production": { | |
| "fileReplacements": [ | |
| { | |
| "replace": "src/environments/environment.prod.ts", | |
| "with": "src/environments/environment.ts" | |
| } | |
| ], | |
| ... | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } |
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| //PATH: src/environments/environment.prod.ts | |
| export const environment = { | |
| production: true, | |
| firebase: { | |
| projectId: 'undefined', | |
| appId: 'undefined', | |
| databaseURL: 'undefined', | |
| storageBucket: 'undefined', | |
| apiKey: 'undefined', | |
| authDomain: 'undefined', | |
| messagingSenderId: 'undefined', | |
| }, | |
| appVersion: '0.1.0', | |
| }; |
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| { | |
| "version": "0.1.0", | |
| "scripts": { | |
| "config": "node src/environments/setEnv.js", | |
| "build": "npm run config && ng build --configuration=production", | |
| ... | |
| }, | |
| ... | |
| } |
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| //PATH: src/environments/setEnv.js | |
| const setEnv = () => { | |
| const fs = require("fs"); | |
| const writeFile = fs.writeFile; | |
| // Configure Angular `environment.ts` file path | |
| const targetPath = "./src/environments/environment.prod.ts"; | |
| // Load node modules | |
| const appVersion = require("../../package.json").version; | |
| let env; | |
| try { | |
| env = require("./environment.ts"); | |
| } catch (e) { | |
| console.log("The file `environment.ts` doest exist: \n"); | |
| } | |
| require("dotenv").config(); | |
| // `environment.ts` file structure | |
| const envConfigFile = `export const environment = { | |
| production: ${!!env}, | |
| firebase: { | |
| projectId: '${ | |
| process.env.FIREBASE_PROJECT_ID || env?.firebase?.projectId | |
| }', | |
| appId: '${process.env.FIREBASE_APP_ID || env?.firebase?.appId}' , | |
| databaseURL: '${ | |
| process.env.FIREBASE_DATABASE_URL || env?.firebase?.databaseURL | |
| }', | |
| storageBucket: '${ | |
| process.env.FIREBASE_STORAGE_BUCKET || env?.firebase?.storageBucket | |
| }', | |
| apiKey: '${process.env.FIREBASE_API_KEY || env?.firebase?.apiKey}', | |
| authDomain: '${ | |
| process.env.FIREBASE_AUTH_DOMAIN || env?.firebase?.authDomain | |
| }', | |
| messagingSenderId: '${ | |
| process.env.FIREBASE_MESSAGING_SENDER_ID || | |
| env?.firebase?.messagingSenderId | |
| }' | |
| }, | |
| appVersion: '${appVersion}' | |
| }; | |
| `; | |
| console.log( | |
| "The file `environment.ts` will be written with the following content: \n" | |
| ); | |
| writeFile(targetPath, envConfigFile, (err) => { | |
| if (err) { | |
| console.error(err); | |
| throw err; | |
| } else { | |
| console.log( | |
| `Angular environment.ts file generated correctly at ${targetPath} \n` | |
| ); | |
| } | |
| }); | |
| }; | |
| setEnv(); |
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