feat: add health check route

app/lib/docker/compose.server.ts

@@ -0,0 +1,6 @@
+import { execa } from 'execa'
+
+export async function getDockerComposeVersion() {
+  const { stdout } = await execa('docker', ['compose', 'version'])
+  return stdout
+}

app/routes/health.tsx

@@ -0,0 +1,20 @@
+import { getDockerComposeVersion } from '~/lib/docker/compose.server'
+
+export async function loader() {
+  try {
+    await getDockerComposeVersion()
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.error(`Failed to get docker compose version`)
+
+    return new Response('ERROR', {
+      status: 500,
+      statusText: 'Internal Server Error',
+    })
+  }
+
+  return new Response('OK', {
+    status: 200,
+    statusText: 'OK',
+  })
+}