Hello Translate

Dockerfile

FROM node:10-slim
WORKDIR /usr/src/app
COPY package*.json ./
RUN npm install --only=production
COPY . ./
CMD [ "npm", "start" ]

index.js

const {TranslationServiceClient} = require('@google-cloud/translate').v3;
const translationClient = new TranslationServiceClient();

exports.helloTranslate = async (req, res) => {
  try {
    const projectId = await translationClient.getProjectId()
    const request = {
      parent: `projects/${projectId}`,
      contents: ['Hello World!'],
      mimeType: 'text/plain',
      sourceLanguageCode: 'en-US',
      targetLanguageCode: req.query.lang || 'es',
    };

    const [response] = await translationClient.translateText(request);
    let message = response.translations[0].translatedText;
    res.send(message);
  } catch(err) {
    console.error(err);
    res.status(500).send(`Internal Service Error: ${err}`);
  }
};