feat(nx-docker): add labels options to docker build executor

Author: johnitvn

packages/nx-docker/src/executors/build/executor.spec.ts

@@ -47,7 +47,6 @@ describe('executor', () => {
     context: undefined,
     tags: ['latest'],
     args: ['ARG1=value1'],
-    ci: false,
     outputs: ['image'],
     flatforms: [],
   };
@@ -229,4 +228,25 @@ describe('executor', () => {
       { stdio: 'inherit', cwd: context.root }
     );
   });
+
+  it('should build Docker image with labels arguments when labels are provided', async () => {
+    options.labels = { 'com.example.label': 'label-value' };
+    await executor(options, context);
+    const expectedTagArgs = ['--label', 'com.example.label="label-value"'];
+    expect(execFileSync).toHaveBeenCalledWith('docker', expect.arrayContaining(expectedTagArgs), {
+      stdio: 'inherit',
+      cwd: context.root,
+    });
+  });
+
+  it('should build Docker image without labels arguments when labels are not provided', async () => {
+    options.labels = undefined;
+    await executor(options, context);
+    expect(execFileSync).toHaveBeenCalledWith('docker', expect.not.arrayContaining(['--label']), {
+      stdio: 'inherit',
+      cwd: context.root,
+    });
+  });
+
+
 });

packages/nx-docker/src/executors/build/executor.ts

@@ -78,6 +78,11 @@ const executor: PromiseExecutor<DockerExecutorSchema> = async (options, context)
   const shmSizeArgs = options.shmSize ? ['--shm-size', options.shmSize] : [];
   const uLimitArgs = options.ulimit ? [`--ulimit${options.ulimit}`] : [];
   const targetArgs = options.target ? ['--target', options.target] : [];
+  const labelsArgs = options.labels
+    ? Object.entries(options.labels)
+      .map(([key, value]) => ['--label', `${key}="${value}"`])
+      .flat()
+    : [];
 
   try {
     const command = [
@@ -96,6 +101,7 @@ const executor: PromiseExecutor<DockerExecutorSchema> = async (options, context)
       ...uLimitArgs,
       ...tagArgs,
       ...targetArgs,
+      ...labelsArgs,
       '-f',
       dockerfilePath,
       contextPath,

packages/nx-docker/src/executors/build/schema.d.ts

@@ -15,4 +15,5 @@ export interface DockerExecutorSchema {
   ulimit?: string[];
   metadataFile?: string;
   flatforms: string[];
+  labels?: { [key: string]: string };
 }

packages/nx-docker/src/executors/build/schema.json

@@ -97,6 +97,13 @@
     "flatforms": {
       "type": "string",
       "description": "Set the target platform"
+    },
+    "labels": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "string"
+      },
+      "description": "The list of labels to add to the image"
     }
   },
   "required": ["tags"]