Cowsaid

Cowsaid is an application to display cowsay as a service (CAAS).

   ~~~~~~~~~~~~~~~~~~~~~~~
 (   Cowsay-As-A-Service   )
   ~~~~~~~~~~~~~~~~~~~~~~~
          \   ^__^
           \  (oo)\_______
              (__)\       )\/\
                  ||----w |
                  ||     ||

Description

Cowsaid is a web service to provide Cowsay as a service.

TLDR

To get Cowsaid running with minimal effort run the DockerHub image. View at http://localhost:8080.

    $ docker run -it --rm -p 8080:80 rcompos/cowsaid

Installation

Run Go Binary

Run Cowsaid application as a Go executable.

Requirements to run Go binary

The following are requirements to run the Cowsaid service as a Go executable.

• Go version 1.10

• Fortune (if running Go binary, optional) MacOS: brew install fortune Alpine: apk add git fortune Debian: apt-get install fortune CentOS: yum install fortune

• Environemntally variable: export GO111MODULE=on

To run Cowsaid as a Go executable, follow these steps to build the binary.

1. Change to the cowsaid directory.

    $ go version
    $ export GO111MODULE=on 
    $ cd path/to/cowsaid
   

2. Build the application binary.

    $ GO111MODULE=on go build
   

3. Run the newly built Go binary.

    $ ./cowsaid
   

4. Command-line options

Build Docker Image

Build Cowsaid Docker image.

Requirements to run Docker image

The following are requirements to run the Cowsaid service as a Docker container.

• Docker version 17.1

To run Cowsaid as a Docker container, follow these steps to build the image.

1. Change to the cowsaid directory.

    $ docker version
    $ cd path/to/cowsaid
   

2. Build the Docker image.

    $ docker build -t cowsaid . -f ./build/package/Dockerfile
   
    OR
   
    $ docker buildx build --platform linux/amd64 -t cowsaid . -f ./build/package/Dockerfile
   

3. Run the newly built image.

    $ docker run -it --rm -p 8080:80 cowsaid
   

Run DockerHub Image

The Cowsaid application can be run as a pre-built DockerHub image. Note this image is a compact image built from Alpine Linux base image.

1. Run application as Docker container.

    $ docker run -it --rm -p 8080:80 rcompos/cowsaid
   

Usage

1. View Cowsay Message

Once you have the Cowsaid application running as a service, you can In your web browser, enter the following URL:

    http://localhost:8080

2. API Endpoints

The following API endpoints are available:

/api/v1
/api/v1/cowhist
/api/v1/cowsay
/api/v1/info
/api/v1/ping
/api/v1/bad
/api/v1/err
/api/v1/count

3. Files

View the input, output and log files.

    http://localhost:8080

After the service is running, output and log files are created.

error.txt

Notes: If building Go binary, the following produces a small images well-suited for containerization. Substitute hardware architecture for GOOS (i.e. darwin, linux, etc).

$ GO111MODULE=on CGO_ENABLED=0 GOOS=darwin go build -a -installsuffix cgo -o cowsaid .