refactor: persist docker

packages/db/src/docker.js

@@ -1,21 +1,24 @@
-import {spawn} from 'child_process';
+import {spawn, spawnSync} from 'child_process';
 
 import mkdirp from 'mkdirp';
 
 export default function createDockerContainer(latus) {
+  const {id} = latus.get('@latus/core');
   const {
-    config: {
-      '@latus/db/server': {
     database,
     docker,
     password,
     port,
-      },
-    },
-  } = latus;
+  } = latus.get('@latus/db/server');
+  const name = `${id}_sequelize`;
+  const {output} = spawnSync(`docker container inspect -f '{{.State.Running}}' ${name}`);
+  if ('true' === output) {
+    return;
+  }
   const args = [
     'run',
     '--rm',
+    '--name', name,
     '-p', `${port}:3306`,
     '-e', `MYSQL_DATABASE=${database}`,
     '-e', `MYSQL_ROOT_PASSWORD=${password}`,
@@ -32,6 +35,8 @@ export default function createDockerContainer(latus) {
     'mysql',
     '--default-authentication-plugin=mysql_native_password',
   );
-  const {pid} = spawn('docker', args, {stdio: 'ignore'});
-  process.on('exit', () => process.kill(pid));
+  spawn('docker', args, {
+    detached: true,
+    stdio: 'ignore',
+  }).unref();
 }

packages/redis/src/docker.js

@@ -1,6 +1,6 @@
 import D from 'debug';
 
-import {spawn} from 'child_process';
+import {spawn, spawnSync} from 'child_process';
 
 import mkdirp from 'mkdirp';
 
@@ -9,10 +9,17 @@ import createClient from './create-client';
 const debug = D('@latus/redis/docker');
 
 export default async function createDockerContainer(latus) {
-  const {config: {'@latus/redis/server': {docker, port}}} = latus;
+  const {id} = latus.get('@latus/core');
+  const {docker, port} = latus.get('@latus/redis/server');
+  const name = `${id}_redis`;
+  const {output} = spawnSync(`docker container inspect -f '{{.State.Running}}' ${name}`);
+  if ('true' === output) {
+    return;
+  }
   const args = [
     'run',
     '--rm',
+    '--name', name,
     '-p', `${port}:6379`,
   ];
   if ('cached' === docker) {
@@ -26,8 +33,10 @@ export default async function createDockerContainer(latus) {
   args.push(
     'redis',
   );
-  const {pid} = spawn('docker', args, {stdio: 'ignore'});
-  process.on('exit', () => process.kill(pid));
+  spawn('docker', args, {
+    detached: true,
+    stdio: 'ignore',
+  }).unref();
   // eslint-disable-next-line no-constant-condition
   while (true) {
     const client = createClient(latus);