Docker Compose Database Setup (#379)

Co-authored-by: Aman Varshney <amanvarshney.work@gmail.com>

apps/cli/src/utils/docker-utils.ts

@@ -0,0 +1,82 @@
+import os from "node:os";
+import pc from "picocolors";
+import type { Database } from "../types";
+import { commandExists } from "./command-exists";
+
+export async function isDockerInstalled(): Promise<boolean> {
+	return commandExists("docker");
+}
+
+export async function isDockerRunning(): Promise<boolean> {
+	try {
+		const { $ } = await import("execa");
+		await $`docker info`;
+		return true;
+	} catch {
+		return false;
+	}
+}
+
+export function getDockerInstallInstructions(
+	platform: string,
+	database: Database,
+): string {
+	const isMac = platform === "darwin";
+	const isWindows = platform === "win32";
+	const isLinux = platform === "linux";
+
+	let installUrl = "";
+	let platformName = "";
+
+	if (isMac) {
+		installUrl = "https://docs.docker.com/desktop/setup/install/mac-install/";
+		platformName = "macOS";
+	} else if (isWindows) {
+		installUrl =
+			"https://docs.docker.com/desktop/setup/install/windows-install/";
+		platformName = "Windows";
+	} else if (isLinux) {
+		installUrl = "https://docs.docker.com/desktop/setup/install/linux/";
+		platformName = "Linux";
+	}
+
+	const databaseName =
+		database === "mongodb"
+			? "MongoDB"
+			: database === "mysql"
+				? "MySQL"
+				: "PostgreSQL";
+
+	return `${pc.yellow("IMPORTANT:")} Docker required for ${databaseName}. Install for ${platformName}:\n${pc.blue(installUrl)}`;
+}
+
+export async function getDockerStatus(database: Database): Promise<{
+	installed: boolean;
+	running: boolean;
+	message?: string;
+}> {
+	const platform = os.platform();
+	const installed = await isDockerInstalled();
+
+	if (!installed) {
+		return {
+			installed: false,
+			running: false,
+			message: getDockerInstallInstructions(platform, database),
+		};
+	}
+
+	const running = await isDockerRunning();
+	if (!running) {
+		return {
+			installed: true,
+			running: false,
+			message: `${pc.yellow("IMPORTANT:")} Docker is installed but not running.`,
+		};
+	}
+
+	return {
+		installed: true,
+		running: true,
+	};
+}