Dockerfile for ruby

configureWorkspace/config-utils.ts

@@ -9,6 +9,7 @@ export type Platform = 'Go' |
     'ASP.NET Core' |
     'Node.js' |
     'Python' |
+    'Ruby' |
     'Other';
 
 /**
@@ -43,6 +44,7 @@ export async function quickPickPlatform(): Promise<Platform> {
         'ASP.NET Core',
         'Node.js',
         'Python',
+        'Ruby',
         'Other'
     ];
 

configureWorkspace/configure.ts

@@ -169,6 +169,26 @@ CMD ["python3", "-m", "${serviceName}"]
 # Using miniconda (make sure to replace 'myenv' w/ your environment name):
 #RUN conda env create -f environment.yml
 #CMD /bin/bash -c "source activate myenv && python3 -m ${serviceName}"
+`;
+
+        case 'ruby':
+
+            return `
+FROM ruby:2.5-slim
+
+LABEL Name=${serviceName} Version=${version}
+EXPOSE ${port}
+
+# throw errors if Gemfile has been modified since Gemfile.lock
+RUN bundle config --global frozen 1
+
+WORKDIR /app
+COPY . /app
+
+COPY Gemfile Gemfile.lock ./
+RUN bundle install
+
+CMD ["ruby", "${serviceName}.rb"]
 `;
 
         case 'java':
@@ -245,6 +265,16 @@ services:
         case 'python':
             return `version: '2.1'
 
+services:
+  ${serviceName}:
+    image: ${serviceName}
+    build: .
+    ports:
+      - ${port}:${port}`;
+
+        case 'ruby':
+            return `version: '2.1'
+
 services:
   ${serviceName}:
     image: ${serviceName}
@@ -338,6 +368,19 @@ services:
         case 'python':
             return `version: '2.1'
 
+services:
+  ${serviceName}:
+    image: ${serviceName}
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+        - ${port}:${port}
+`;
+
+        case 'ruby':
+            return `version: '2.1'
+
 services:
   ${serviceName}:
     image: ${serviceName}

test/configure.test.ts

@@ -475,6 +475,23 @@ suite("configure (Add Docker files to Workspace)", function (this: Suite): void
         });
     });
 
+    // Ruby
+
+    suite("Ruby", () => {
+        testInEmptyFolder("Ruby", async () => {
+            await testConfigureDocker('Ruby', undefined /*port*/);
+
+            let projectFiles = await getFilesInProject();
+            assertEx.unorderedArraysEqual(projectFiles, ['Dockerfile', 'docker-compose.debug.yml', 'docker-compose.yml', '.dockerignore'], "The set of files in the project folder after configure was run is not correct.");
+
+            assertFileContains('Dockerfile', 'FROM ruby:2.5-slim');
+            assertFileContains('Dockerfile', 'LABEL Name=testoutput Version=0.0.1');
+            assertFileContains('Dockerfile', 'COPY Gemfile Gemfile.lock ./');
+            assertFileContains('Dockerfile', 'RUN bundle install');
+            assertFileContains('Dockerfile', 'CMD ["ruby", "testoutput.rb"]');
+        });
+    });
+
     //
 
 });