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This repository contains an extremely simple API written in golang which simply returns a JSON document detailing the various attributes of the HTTP request.
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simple-golang-api.go

README.md

Simple golang API

This repository contains an extremely simple API written in golang which simply returns a JSON document detailing the various attributes of the HTTP request. Also included are additional instructions for building a Docker image based on Alpine Linux to run this API.

Getting Started

Prerequisites

Install

Building the Code

To build the code, it is as simple as running the commands below.

Note that the first two export commands are only required if you plan to run the API within the Alpine Linux Docker container; if this is not the case then these can be omitted.

export GOOS=linux
export GOARCH=amd64

go build -i

Building The Docker Image

Following the completion of the steps above, the Docker image can be built as follows, changing the tag name if required.

docker build . -t nextmetaphor/simple-golang-api:latest

Deployment

Running The API From Docker

To create a container based on the image previously built, simply run the command below. This will map container port 8080 to 28080 on the local machine.

docker run -p 28080:8080 -d nextmetaphor/simple-golang-api

Validation

Testing the API

Assuming that the API is being run from Docker, simply use cURL to hit the root of the API.

curl http://localhost:28080/

This should return a document similar to that shown below.

{"Method":"GET","URL":{"Scheme":"","Opaque":"","User":null,"Host":"","Path":"/","RawPath":"","ForceQuery":false,"RawQuery":"","Fragment":""},"Proto":"HTTP/1.1","ProtoMajor":1,"ProtoMinor":1,"Header":{"Accept":["*/*"],"User-Agent":["curl/7.51.0"]},"Body":{},"ContentLength":0,"TransferEncoding":null,"Close":false,"Host":"localhost:28080","Form":null,"PostForm":null,"MultipartForm":null,"Trailer":null,"RemoteAddr":"172.17.0.1:44534","RequestURI":"/","TLS":null,"Response":null}

Licence

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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