Support custom compose project names (#800)

docs/features/compose.md

@@ -121,6 +121,16 @@ const environment = await new DockerComposeEnvironment(composeFilePath, composeF
   .up();
 ```
 
+### With custom project name
+
+See [project name](https://docs.docker.com/compose/project-name/).
+
+```javascript
+const environment = await new DockerComposeEnvironment(composeFilePath, composeFile)
+  .withProjectName("test")
+  .up();
+```
+
 ## Downing a Docker compose environment
 
 Testcontainers by default will not wait until the environment has downed. It will simply issue the down command and return immediately. This is to save time when running tests.

packages/testcontainers/src/docker-compose-environment/docker-compose-environment.test.ts

@@ -1,6 +1,7 @@
 import fetch from "node-fetch";
 import path from "path";
 import { DockerComposeEnvironment } from "./docker-compose-environment";
+import { RandomUuid } from "../common";
 import { Wait } from "../wait-strategies/wait";
 import { PullPolicy } from "../utils/pull-policy";
 import {
@@ -255,4 +256,15 @@ describe("DockerComposeEnvironment", () => {
 
     await startedEnvironment.down();
   });
+
+  it("should use a custom project name if set", async () => {
+    const customProjectName = `custom-${new RandomUuid().nextUuid()}`;
+    const startedEnvironment = await new DockerComposeEnvironment(fixtures, "docker-compose.yml")
+      .withProjectName(customProjectName)
+      .up();
+
+    expect(await getRunningContainerNames()).toContain(`${customProjectName}-container-1`);
+
+    await startedEnvironment.down();
+  });
 });

packages/testcontainers/src/docker-compose-environment/docker-compose-environment.ts

@@ -73,6 +73,11 @@ export class DockerComposeEnvironment {
     return this;
   }
 
+  public withProjectName(projectName: string): this {
+    this.projectName = projectName;
+    return this;
+  }
+
   public async up(services?: Array<string>): Promise<StartedDockerComposeEnvironment> {
     log.info(`Starting DockerCompose environment "${this.projectName}"...`);
     const client = await getContainerRuntimeClient();