docker-compose build support #11

index.js

@@ -143,4 +143,30 @@ const run = function (container, command, options) {
   return execCompose(`run -T ${container} ${command}`, options);
 };
 
-module.exports = { up, kill, down, stop, rm, exec, run };
+/**
+ * Build command
+ * @param {string|string[]|object} service service name
+ * @param {object} options
+ * @param {string} options.cwd
+ * @param {boolean} [options.log]
+ * @param {?(string|string[])} [options.config]
+ *
+ * @return {object} std.out / std.err
+ */
+const build = function (service, options) {
+  let services = [];
+
+  if (Array.isArray(service)) {
+    services = service;
+  } else if (typeof service === 'object') {
+    options = service;
+  } else {
+    services = [ service || '' ];
+  }
+
+  services = services.join(' ').trim();
+
+  return execCompose(`build ${services}`, options);
+};
+
+module.exports = { up, kill, down, stop, rm, exec, run, build };

test/build-test.Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine:3.7
+
+RUN echo "hello build test"

test/docker-compose-build.yml

@@ -0,0 +1,23 @@
+version: '2'
+
+services: 
+  build_test_1:
+    image: compose-test-build-image-1:test
+    build:
+      context: ./
+      dockerfile: build-test.Dockerfile
+  build_test_2:
+    image: compose-test-build-image-2:test
+    build:
+      context: ./
+      dockerfile: build-test.Dockerfile
+  build_test_3:
+    image: compose-test-build-image-3:test
+    build:
+      context: ./
+      dockerfile: build-test.Dockerfile
+  build_test_4:
+    image: compose-test-build-image-4:test
+    build:
+      context: ./
+      dockerfile: build-test.Dockerfile

test/index.js

@@ -20,6 +20,29 @@ const isContainerRunning = async name => new Promise((resolve, reject) => {
   });
 });
 
+const imageExists = async name => {
+  const images = await docker.listImages();
+
+  const foundImage = images.findIndex(imageInfo => imageInfo.RepoTags.includes(name));
+
+  return foundImage > -1;
+};
+
+const removeImagesStartingWith = async searchString => {
+  const images = await docker.listImages();
+
+  for (const image of images) {
+    for (const repoTag of image.RepoTags) {
+      if (repoTag.startsWith(searchString)) {
+        const dockerImage = docker.getImage(repoTag);
+
+        console.log(`removing image ${repoTag} ${dockerImage.id || ''}`);
+        await dockerImage.remove();
+      }
+    }
+  }
+};
+
 test('ensure container gets started', async assert => {
   await compose.up({ cwd: path.join(__dirname), log: true });
 
@@ -97,7 +120,66 @@ test('ensure run and exec are working', async assert => {
   assert.end();
 });
 
-test('teardown', assert => {
+test('build single service', async assert => {
+  const opts = {
+    cwd: path.join(__dirname),
+    log: false,
+    config: 'docker-compose-build.yml'
+  };
+
+  await removeImagesStartingWith('compose-test-build-image');
+
+  await compose.build('build_test_1', opts);
+
+  assert.true(await imageExists('compose-test-build-image-1:test'));
+  assert.false(await imageExists('compose-test-build-image-2:test'));
+  assert.false(await imageExists('compose-test-build-image-3:test'));
+  assert.false(await imageExists('compose-test-build-image-4:test'));
+
+  await removeImagesStartingWith('compose-test-build-image');
+
+  assert.end();
+});
+
+test('build multiple services', async assert => {
+  const opts = {
+    cwd: path.join(__dirname),
+    log: false,
+    config: 'docker-compose-build.yml'
+  };
+
+  await compose.build([ 'build_test_2', 'build_test_3' ], opts);
+
+  assert.false(await imageExists('compose-test-build-image-1:test'));
+  assert.true(await imageExists('compose-test-build-image-2:test'));
+  assert.true(await imageExists('compose-test-build-image-3:test'));
+  assert.false(await imageExists('compose-test-build-image-4:test'));
+
+  await removeImagesStartingWith('compose-test-build-image');
+
+  assert.end();
+});
+
+test('build all services', async assert => {
+  const opts = {
+    cwd: path.join(__dirname),
+    log: false,
+    config: 'docker-compose-build.yml'
+  };
+
+  await compose.build(opts);
+
+  assert.true(await imageExists('compose-test-build-image-1:test'));
+  assert.true(await imageExists('compose-test-build-image-2:test'));
+  assert.true(await imageExists('compose-test-build-image-3:test'));
+  assert.true(await imageExists('compose-test-build-image-4:test'));
+
+  await removeImagesStartingWith('compose-test-build-image');
+
+  assert.end();
+});
+
+test('teardown', async assert => {
   docker.listContainers((err, containers) => {
     if (err) {
       throw err;
@@ -113,5 +195,7 @@ test('teardown', assert => {
     });
   });
 
+  await removeImagesStartingWith('compose-test-build-image');
+
   assert.end();
 });