lcs-png-diff-server

Pass in before and after bitmap URL, and then the server will generate LCS diff png and return the diff result URL in response.

Getting Started

Install and start server

$ cargo install lcs-png-diff-server

$ lcs-png-diff-server

Request

curl \
  -d '{
        "before_png": "https://jianliao.github.io/lcs-test-pngs/before.png",
        "after_png": "https://jianliao.github.io/lcs-test-pngs/after.png"
      }' \
  -H 'Content-Type: application/json' \
  -X POST http://localhost:8080/api/diff

Example response payload

{
  "result_url": "http://localhost:8080/assets/b02d9094-bc6c-4c40-923e-50c66bcf1951.png"
}

Server startup options

$ lcs-png-diff-server --help
lcs-png-diff-server 
A server for generating diff bitmaps from png files

USAGE:
    lcs-png-diff-server [OPTIONS]

OPTIONS:
    -a, --addr <ADDR>                set the listen addr [default: 0.0.0.0]
    -h, --help                       Print help information
    -l, --log <LOG_LEVEL>            set the log level [default: info]
    -p, --port <PORT>                set the listen port [default: 8080]
        --static-dir <STATIC_DIR>    set the directory where static files are to be found [default:
                                     ./assets]

Customize the hostname of the response URL

You can customize the hostname of the diff result URL by setting the HOST_INFO environment variable.

HOST_INFO=https://localhost:443/ lcs-png-diff-server 

Docker

jianliao/lcs-png-diff-server is a demo-only docker image. CORS had enabled for GET and POST.

Start server

$ docker run --rm -it -p 8080:8080 jianliao/lcs-png-diff-server:0.1.4

Print CLI help

$ docker run --rm -it jianliao/lcs-png-diff-server:0.1.4 --help

Change port number

$ docker run --rm -it -p 3000:3000 jianliao/lcs-png-diff-server:0.1.4 -p 3000

Change log level

$ docker run --rm -it -p 8080:8080 jianliao/lcs-png-diff-server:0.1.4 -l debug

Customize response URL

$ docker run --rm -it -e HOST_INFO=https://domainname/ -p 8080:8080 jianliao/lcs-png-diff-server:0.1.4

LICENSE

Apache License Version 2.0