go-web-backend

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go-web-backend

Dockerized API service for web app

Prerequisites

• Go
• Docker

Start

Develop

TODO

ORM: https://upper.io/db.v2/examples

Ports cheatsheet

Inside containers:

1337 — frontend
3000 — grafana
6666 — postgres
8086, 8083 — influxdb
8080 — cadvisor
9999 — api

Exposed:

Linking containers caveats

links:
  - api:api

This creates environment variables in proxy container, with ip and port info for go container, also creates entries in /etc/hosts with ip info [other container]:[alias in this container]

volumes:
    - ./nginx.conf:/etc/nginx/nginx.conf:ro

• Conntect host's ./nginx.conf with container's nginx.conf

• :ro means read only perms in container

Docker tips

Run Docker image with port-forwarding: docker run -it -p 8080:8080 confsio_img

Inspect container's ENV variables: docker inspect -f "{{ .Config.Env }}" container-id

Copy file from container to host: docker cp <containerId>:/file/path/within/container /host/path/target

Docker Monitoring

https://www.brianchristner.io/how-to-setup-docker-monitoring/

$ Curls

edit :id & :user-id

curl -H "Content-Type: application/json" -X PUT -d '{ "name": "UPDATED CONF", "start_date": "2017-10-19T08:00:00Z", "end_date": "2017-10-22T08:00:00Z", "description": "yolo", "picture": null, "country": "USA", "city": "SF", "address": "Rodeo drive 1", "category": "big data", "tickets_available": false, "discount_program": false, "min_price": 0, "max_price": 100, "facebook": "", "youtube": "", "twitter": "", "details": {}, "id": :id, "added_by": :user-id}' http://localhost:9999/api/v1/conf/:id

create

curl -H "Content-Type: application/json" -X POST -d '{ "name": "CREATED!CONF", "start_date": "2017-10-19T08:00:00Z", "end_date": "2017-10-22T08:00:00Z", "description": "yolo", "picture": null, "country": "USA", "city": "SF", "address": "Rodeo drive 1", "category": "big data", "tickets_available": false, "discount_program": false, "min_price": 0, "max_price": 100, "facebook": null, "youtube": null, "twitter": null, "details": {}}' http://localhost:9999/api/v1/conf