Add golang support

src/commands/deploy.ts

@@ -575,7 +575,7 @@ Additionally, you can also retry the build with the debug flag:
       return body;
     }
     if (body.platformConfig.version) {
-      // node, dotnet, php, python
+      // node, dotnet, php, python, golang
       this.logKeyValue(
         `${config.platform} version`,
         body.platformConfig.version,
@@ -623,6 +623,7 @@ Additionally, you can also retry the build with the debug flag:
         case 'python':
         case 'node':
         case 'dotnet':
+        case 'golang':
           platformVersion = await getPlatformVersion(
             config.platform,
             config.path,

src/constants.ts

@@ -38,6 +38,7 @@ export const AVAILABLE_PLATFORMS = [
   'static',
   'docker',
   'next',
+  'golang',
 ];
 
 export const OBJ_PERMISSION = ['public', 'private'];

src/services/get-platform-version.ts

@@ -22,6 +22,7 @@ async function getPlatformVersion(
     php: 'php --version',
     node: 'node --version',
     dotnet: 'dotnet --version',
+    golang: 'go version',
   };
   const platformsVersionTrim: {
     [key: string]: (rawVersion: string) => string;
@@ -32,6 +33,8 @@ async function getPlatformVersion(
       rawVersion.trim().split(' ')[1].split('.').slice(0, 2).join('.'), // ex: 8.2
     node: (rawVersion: string) => rawVersion.trim().slice(1).split('.')[0], // ex: 18
     dotnet: (rawVersion: string) => rawVersion.trim()[0] + '.0', // ex: 5.0
+    golang: (rawVersion: string) =>
+      rawVersion.trim().split(' ')[2].slice(2).split('.').slice(0, 2).join('.'), // ex: 1.22
   };
 
   // Below codes are for derived platforms
@@ -62,6 +65,9 @@ async function getPlatformVersion(
     case 'dotnet':
       pureVersion = await detectDotNetPlatformVersion(projectPath, debug);
       break;
+    case 'golang':
+      pureVersion = await detectGolangPlatformVersion(projectPath, debug);
+      break;
   }
 
   debug(`pureVersion: ${pureVersion}`);
@@ -312,5 +318,56 @@ async function getRequiredDotNetVersion(
     throw error;
   }
 }
+function getGolangPlatformVersion(goModData: string): string | null {
+  const goVersionRegex = /^go\s+([\d.]+)$/;
+
+  const match = goModData
+    .split('\n')
+    .find((line) => goVersionRegex.test(line))
+    ?.match(goVersionRegex);
+
+  return match ? match[1].replace(/\.\d+$/, '').toString() : null;
+}
+
+async function detectGolangPlatformVersion(
+  projectPath: string,
+  debug: DebugLogger,
+) {
+  const supportedGolangVersions = ['1.21', '1.22', '1.23'];
+
+  try {
+    const goModFile = await findFile(projectPath, 'go.mod');
+
+    if (!goModFile) {
+      debug(`Could not find go.mod file in ${projectPath}`);
+      return null;
+    }
+
+    const goModData = fs.readFileSync(goModFile, 'utf8');
+
+    const golangVersion = getGolangPlatformVersion(goModData);
+
+    if (!golangVersion) {
+      debug('Could not find go version in go.mod file');
+      return null;
+    }
+
+    if (!supportedGolangVersions.find((v) => golangVersion === v)) {
+      debug(`${golangVersion} is not a supported golang version.`);
+      return -1;
+    }
+
+    return golangVersion;
+  } catch (error) {
+    if (error.syscall === 'open') {
+      debug(
+        `Could not open go.mod to detect the golang version. Skipping... message=${error.message}`,
+      );
+      return null;
+    }
+
+    throw error;
+  }
+}
 
 export default getPlatformVersion;

src/utils/detect-platform.ts

@@ -14,6 +14,7 @@ export default function detectPlatform(projectPath: string) {
   const packageJsonFilePath = path.join(projectPath, 'package.json');
   const composeJsonFilePath = path.join(projectPath, 'composer.json');
   const requirementsTxtFilePath = path.join(projectPath, 'requirements.txt');
+  const goModFilePath = path.join(projectPath, 'go.mod');
 
   const [programCSFilePath] = globbySync('**/{Startup.cs,Program.cs}', {
     cwd: projectPath,
@@ -30,6 +31,7 @@ export default function detectPlatform(projectPath: string) {
   const hasRequirementsTxtFile = existsSync(requirementsTxtFilePath);
   const hasDockerFile = existsSync(path.join(projectPath, 'Dockerfile'));
   const hasWPContent = existsSync(path.join(projectPath, 'wp-content'));
+  const hasGoModFile = existsSync(goModFilePath);
 
   const hasCSProjFile =
     programCSFilePath &&
@@ -159,6 +161,15 @@ Please specify your platform with --platform=wordpress or docker.`);
     return 'wordpress';
   }
 
+  if (hasGoModFile && hasDockerFile) {
+    throw new Error(`The project contains both of the \`go.mod\` and \`Dockerfile\` files.
+Please specify your platform with --platform=golang or docker.`);
+  }
+
+  if (hasGoModFile) {
+    return 'golang';
+  }
+
   if (hasDockerFile) {
     return 'docker';
   }

src/utils/get-port.ts

@@ -22,6 +22,7 @@ export function getPort(platform: string): number {
 export function getDefaultPort(platform: string): number {
   const ports: IPorts = {
     dotnet: 80,
+    golang: 8080,
   };
   return ports[platform] || 3000;
 }