feat: Add --dockerfile flag to apify init (#989)

Closes #76

Author: janbuchar

src/commands/init.ts

@@ -37,6 +37,10 @@ export class InitCommand extends ApifyCommand<typeof InitCommand> {
 				'Automatic yes to prompts; assume "yes" as answer to all prompts. Note that in some cases, the command may still ask for confirmation.',
 			required: false,
 		}),
+		dockerfile: Flags.string({
+			description: 'Path to a Dockerfile to use for the Actor (e.g., "./Dockerfile" or "./docker/Dockerfile").',
+			required: false,
+		}),
 	};
 
 	async run() {
@@ -111,8 +115,21 @@ export class InitCommand extends ApifyCommand<typeof InitCommand> {
 			}
 
 			// Migrate apify.json to .actor/actor.json
-			const localConfig = { ...EMPTY_LOCAL_CONFIG, ...actorConfig.unwrap().config };
-			await setLocalConfig(Object.assign(localConfig, { name: actorName }), cwd);
+			const localConfig = {
+				...EMPTY_LOCAL_CONFIG,
+				...actorConfig.unwrap().config,
+			};
+			const configToWrite: Record<string, unknown> = {
+				...localConfig,
+				name: actorName,
+			};
+
+			// Add dockerfile field if provided
+			if (this.flags.dockerfile) {
+				configToWrite.dockerfile = this.flags.dockerfile;
+			}
+
+			await setLocalConfig(configToWrite, cwd);
 		}
 
 		await setLocalEnv(cwd);

test/local/commands/init.test.ts

@@ -28,7 +28,10 @@ describe('apify init', () => {
 	});
 
 	it('correctly creates basic structure with empty INPUT.json', async () => {
-		await testRunCommand(InitCommand, { args_actorName: actName, flags_yes: true });
+		await testRunCommand(InitCommand, {
+			args_actorName: actName,
+			flags_yes: true,
+		});
 
 		// Check that it won't create deprecated config
 		// TODO: We can remove this later
@@ -62,11 +65,17 @@ describe('apify init', () => {
 			required: ['url'],
 		};
 
-		const defaultActorJson = Object.assign(EMPTY_LOCAL_CONFIG, { name: actName, input });
+		const defaultActorJson = Object.assign(EMPTY_LOCAL_CONFIG, {
+			name: actName,
+			input,
+		});
 
 		await mkdir(joinPath('.actor'), { recursive: true });
 		writeFileSync(joinPath(LOCAL_CONFIG_PATH), JSON.stringify(defaultActorJson, null, '\t'), { flag: 'w' });
-		await testRunCommand(InitCommand, { args_actorName: actName, flags_yes: true });
+		await testRunCommand(InitCommand, {
+			args_actorName: actName,
+			flags_yes: true,
+		});
 
 		// Check that it won't create deprecated config
 		// TODO: We can remove this later
@@ -79,4 +88,31 @@ describe('apify init', () => {
 			),
 		).toStrictEqual({ url: 'https://www.apify.com/' });
 	});
+
+	it('correctly creates config with dockerfile when provided', async () => {
+		const dockerfilePath = './Dockerfile';
+		await testRunCommand(InitCommand, {
+			args_actorName: actName,
+			flags_yes: true,
+			flags_dockerfile: dockerfilePath,
+		});
+
+		const config = JSON.parse(readFileSync(joinPath(LOCAL_CONFIG_PATH), 'utf8'));
+		expect(config).toMatchObject({
+			...EMPTY_LOCAL_CONFIG,
+			name: actName,
+			dockerfile: dockerfilePath,
+		});
+	});
+
+	it('correctly creates config without dockerfile when not provided', async () => {
+		await testRunCommand(InitCommand, {
+			args_actorName: actName,
+			flags_yes: true,
+		});
+
+		const config = JSON.parse(readFileSync(joinPath(LOCAL_CONFIG_PATH), 'utf8'));
+		expect(config).toStrictEqual(Object.assign(EMPTY_LOCAL_CONFIG, { name: actName }));
+		expect(config.dockerfile).toBeUndefined();
+	});
 });