Install dotnet

render-build.sh

#!/usr/bin/env bash
# exit on error
set -o errexit

# Download
wget https://download.visualstudio.microsoft.com/download/pr/d3e46476-4494-41b7-a628-c517794c5a6a/6066215f6c0a18b070e8e6e8b715de0b/dotnet-sdk-6.0.402-linux-x64.tar.gz; 

# Extract
mkdir -p $XDG_CACHE_HOME/dotnet && tar zxf dotnet-sdk-6.0.402-linux-x64.tar.gz -C $XDG_CACHE_HOME/dotnet;

# Set vars
export DOTNET_ROOT=$XDG_CACHE_HOME/dotnet;
export PATH=$PATH:$XDG_CACHE_HOME/dotnet; 

# verify installation
# dotnet --version 

# run commands to build static site