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README.md

brcepgopher

brcep

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API for accessing information from Brazilian CEPs. The central idea is not to be dependent on a specific API, but to have the ease of accessing brcep and it is in charge of consulting various sources and returning the CEP information quickly and easily.

Currently we support API queries to ViaCEP, CEPAberto and Correios. Your help is welcome to implement the CepApi interface and introduce new APIs support.

brcep

Sidecar Pattern

The idea of this project is that you use the Docker image as a sidecar for your current application. This project is not a library for consuming APIs, but a server that should run alongside (hence sidecar) your current application, and when you need to request a zip code, you will request the sidecar endpoint and not directly to an API. This gives you the advantage of middleware that will make the correct use of multiple APIs.

Consider the docker-compose below to better understand:

version: '2.1'

services:
  myapp:
    container_name: myapp
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "3000:3000"
  brcep:
    image: brcep:latest
    ports:
      - "8000:8000"
    links:
      - myapp
    container_name: brcep
    environment:
      - PORT=8000

The idea is that your application runs on port 3000 and brcep runs on port 8000, considering the multiple examples we have defined, replacing the URL with http://brcep/78048000/json. So your application now transparently consumes various APIs through brcep.

Topics

API example

Access

To make it easier to see what to expect from this project, the current version is available for viewing data at https://brcep-qnlohrjtbl.now.sh/78048000/json.

Response

{
  "cep": "78048000",
  "endereco": "Avenida Miguel Sutil, de 5799/5800 a 7887/7888",
  "bairro": "Consil",
  "complemento": "",
  "cidade": "Cuiabá",
  "uf": "MT",
  "latitude": "-15.5786867",
  "longitude": "-56.0952081",
  "ddd": "",
  "unidade": "",
  "ibge": "5103403"
}
  • The "CEP" field returns numbers only.
  • The "complement", "latitude" and "longitude" fields may be left blank depending on the API queried.
  • The remaining fields will always return values.

Execution

Environment Setting

  • The CEPAberto API requires the authorization token and the ViaCEP API does not need the token.
  • Rename the .env.example file to .env and include your CEPAberto.com API access token

Running with Docker Hub

$ docker run \
    -e "BRCEP_ADDRESS=:8000" \
    -e "BRCEP_PREFERRED_API=viacep" \
    -p 127.0.0.1:8000:8000/tcp leogregianin/brcep

Run with Docker from Local

Using Docker (golang:alpine image) with the command below the image will be compiled and executed on port 8000.

$ make run.docker

This will build the image with the name leogregianin/brcep and run it with the .env.example file if no .env file is present at the directory. To use other environment variables, please create a .env file next to the .env.example file.

To view data go to http://localhost:8000/78048000/json.

Running locally

Since you have Golang 1.13 installed locally, the command below will download the dependencies and compile a binary for local execution.

$ make run.local

You can choose other architectures to build the binary if you need to deploy the binary to other systems:

$ make build.local
$ make build.linux.armv8
$ make build.linux.armv7
$ make build.linux
$ make build.osx
$ make build.windows

The above commands generate a binary in the bin folder.

Running tests

$ make test

Use license

See more details in MIT License

About

📭 Quickly access zip code information using Sidecar Pattern to support API queries to ViaCEP, CEPAberto and Correios.

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