chore: download and install logto (#668)

* chore: download and install logto

* fix: remove `detached`

* refactor: query instead of throwing error when postgres not found

install.js

@@ -0,0 +1,64 @@
+const { execSync, spawn, spawnSync } = require('child_process');
+const { existsSync } = require('fs');
+const readline = require('readline');
+
+const isVersionGreaterThan = (version, targetMajor) => Number(version.split('.')[0]) >= targetMajor;
+
+const trimV = (version) => version.startsWith('v') ? version.slice(1) : version;
+
+const question = async (query) => new Promise((resolve) => {
+  const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout,
+  });
+  rl.question(query, (answer) => {
+    rl.close();
+    resolve(answer);
+  });
+});
+
+const confirm = async (query) => {
+  const answer = await question(`${query} (Y/n) `);
+  return answer === '' || ['y', 'yes', 'yep', 'yeah'].includes(answer);
+};
+
+const directory = 'logto';
+
+(async () => {
+  if (existsSync(directory)) {
+    throw new Error(`\`${directory}\` already exists in the current directory.`);
+  }
+
+  const nodeVersion = execSync('node -v', { encoding: 'utf-8' });
+
+  if (!isVersionGreaterThan(trimV(nodeVersion), 16)) {
+    throw new Error('Logto requires NodeJS >= 16.0.0.');
+  }
+
+  const pgOutput = execSync('postgres --version', { encoding: 'utf-8' });
+  const pgArray = pgOutput.split(' ');
+  const pgVersion = pgArray[pgArray.length - 1];
+
+  if (!isVersionGreaterThan(trimV(pgVersion), 18)) {
+    const answer = await confirm('Logto requires PostgreSQL >= 14.0.0 but cannot find in the current environment.\nDo you have a remote PostgreSQL instance ready?');
+    if (!answer) {
+      process.exit(1);
+    }
+  }
+
+
+  spawnSync(
+    'sh',
+    ['-c', 'curl -L https://github.com/logto-io/logto/releases/latest/download/logto.tar.gz | tar -xz'],
+    { stdio: 'inherit' },
+  );
+
+  const startCommand = `cd ${directory} && npm start`;
+  const answer = await confirm('Would you like to start Logto now?');
+
+  if (answer) {
+    spawn('sh', ['-c', startCommand], { stdio: 'inherit' });
+  } else {
+    console.log(`You can use \`${startCommand}\` to start Logto. Happy hacking!`);
+  }
+})();

package.json

@@ -9,7 +9,7 @@
     "prepare": "if test \"$NODE_ENV\" != \"production\" && test \"$CI\" != \"true\" ; then husky install ; fi",
     "prepack": "lerna run --stream prepack",
     "dev": "lerna run --stream prepack && lerna --scope=@logto/{core,ui,console} exec -- pnpm dev",
-    "start": "cd packages/core && node . --from-root"
+    "start": "cd packages/core && NODE_ENV=production node . --from-root"
   },
   "devDependencies": {
     "@commitlint/cli": "^16.0.0",