Use AutoRest with docker

AutoRest provide some docker images:

Image	Description	Ubuntu
azsdkengsys.azurecr.io/azuresdk/autorest	Base image with node installed	:heavy_check_mark:
azsdkengsys.azurecr.io/azuresdk/autorest-python	Base image + python 3 For building python sdk	:heavy_check_mark:
azsdkengsys.azurecr.io/azuresdk/autorest-dotnet	Base image + dotnet. For building csharp sdk	:heavy_check_mark:
azsdkengsys.azurecr.io/azuresdk/autorest-java	Base image + java. For building java sdk	:heavy_check_mark:
azsdkengsys.azurecr.io/azuresdk/autorest-all	Base image with all the languages for building any of the sdk above	:heavy_check_mark:

Usage

# Run the autorest image that fits your need(see next section for different options) and mount the current directory to access the openapi spec there.
docker run -v "${pwd}:/specs" -t <autorest-image> \
    --input-file=/specs/openapi.json