🏗️ Migrate docker containers query to tRPC

src/server/api/root.ts

@@ -2,6 +2,7 @@ import { createTRPCRouter } from '~/server/api/trpc';
 import { appRouter } from './routers/app';
 import { rssRouter } from './routers/rss';
 import { configRouter } from './routers/config';
+import { dockerRouter } from './routers/docker/router';
 
 /**
  * This is the primary router for your server.
@@ -12,6 +13,7 @@ export const rootRouter = createTRPCRouter({
   app: appRouter,
   rss: rssRouter,
   config: configRouter,
+  docker: dockerRouter,
 });
 
 // export type definition of API

src/server/api/routers/docker/DockerSingleton.ts

@@ -0,0 +1,21 @@
+import Docker from 'dockerode';
+
+export default class DockerSingleton extends Docker {
+  private static dockerInstance: DockerSingleton;
+
+  private constructor() {
+    super();
+  }
+
+  public static getInstance(): DockerSingleton {
+    if (!DockerSingleton.dockerInstance) {
+      DockerSingleton.dockerInstance = new Docker({
+        // If env variable DOCKER_HOST is not set, it will use the default socket
+        ...(process.env.DOCKER_HOST && { host: process.env.DOCKER_HOST }),
+        // Same thing for docker port
+        ...(process.env.DOCKER_PORT && { port: process.env.DOCKER_PORT }),
+      });
+    }
+    return DockerSingleton.dockerInstance;
+  }
+}

src/server/api/routers/docker/router.ts

@@ -0,0 +1,18 @@
+import { TRPCError } from '@trpc/server';
+import { createTRPCRouter, publicProcedure } from '../../trpc';
+import DockerSingleton from './DockerSingleton';
+
+export const dockerRouter = createTRPCRouter({
+  containers: publicProcedure.query(async () => {
+    try {
+      const docker = DockerSingleton.getInstance();
+      const containers = await docker.listContainers({ all: true });
+      return containers;
+    } catch (err) {
+      throw new TRPCError({
+        code: 'INTERNAL_SERVER_ERROR',
+        message: 'Unable to get containers',
+      });
+    }
+  }),
+});