Re-organize code

server/src/utils/docker.js

@@ -0,0 +1,42 @@
+import Docker from 'dockerode'
+
+const engine = new Docker()
+
+const containerOptions = {
+  Image: 'ubuntu',
+  AttachStdin: true,
+  AttachStdout: true,
+  AttachStderr: true,
+  Tty: true,
+  Cmd: ['/bin/bash'],
+  OpenStdin: true,
+  StdinOnce: false,
+}
+
+export async function getOrCreateContainer(name) {
+  try {
+    const container = engine.getContainer(name)
+    if (!(await container.inspect()).State.Running) {
+      await container.start()
+    }
+    return container
+  } catch (error) {
+    const container = await engine.createContainer({
+      ...containerOptions,
+      name,
+    })
+    await container.start()
+    console.log(container.id)
+    return container
+  }
+}
+
+export function attachContainer(container) {
+  // Create an exec instance with bash shell
+  return container.attach({
+    stream: true,
+    stdin: true,
+    stdout: true,
+    stderr: true,
+  })
+}