upload image & get image service.

The uploaded image shrinks like catching Small light.

Consits of The following four components

• datastore
• webserver
• worker
• workqueue
• datastore

[datastore]

• redis

[webserver]

• node.js
• express
• redis
• amqp
  • https://www.npmjs.com/package/amqplib
• jest
• supertest
• multer

[worker]

• node.js
• redis
• amqp
  • https://www.npmjs.com/package/amqplib
• jimp
  • https://www.npmjs.com/package/jimp

[workqueue]

• Rabbitmq

[datastore]

• use docker volume

1. create network
   1. docker network create --driver bridge doranet
   2. docker network ls
2. create volume
   1. docker volume create --name filestorage
   2. docker volume ls
3. start service
   1. webserver
      1. cd /webserver
      2. docker-compose up
   2. workqueue
      1. cd /workqueue
      2. docker-compose up
      3. create queue
         1. Please enter in your browser http://localhost:15672/
            • ID/PASS guest/guest
         2. craete queue named task_queue
   3. worker
      1. cd /worker
      2. docker-compose up
   4. datastore
      1. cd /datastore
      2. docker-compose up

• curl -X POST -F img=@[imagename] http://localhost:3000/image
  • e.g: curl -X POST -F img=@/tmp/doraemon/download.jpg http://localhost:3000/image

GET http://localhost:3000/image/[imageID] e.g: Please enter in your browser http://localhost:3000/image/15647575116480.07167631302903654

• npm test [fileName]
  • eg: npm test app.test.js

• way to create random_id
• image name when save image
• common use of components redis client
• retry worker
• add test mock
• add asnapshot test

• think of downning queue
• think of downning redis
• add test
  • multer test
  • get
    • target id image file is none
    • target id image file exist
• redis transaction

• add test
  • Failure to receive id
  • when target id file is none
• redis transaction
• way to convert image

• https://32imuf.com/docker/use-volumes-with-docker-compose/
• https://docs.docker.com/storage/volumes/#share-data-among-machines

• gcloud components install pubsub-emulator
  • https://cloud.google.com/pubsub/docs/emulator?hl=ja

• https://www.rabbitmq.com/tutorials/tutorial-two-javascript.html

• http://www.albertgao.xyz/2017/05/24/how-to-test-expressjs-with-jest-and-supertest/
• http://luoxia.me/yohe_site/2017/09/7/RabbitMQ/index.html

• 30 ~ 35h

broccoli1002