nginx-luaHow to access environment variables

env PATH;

http {
  #...
  
  server {
    location / {
      content_by_lua_block {
        ngx.say(os.getenv("PATH"))
      }
    }
  }
}ctrl + cyoutubegithub

`env PATH` we need to add `env` directive to core Nginx config to access needed environment variables (`PATH` in our case)	`content_by_lua_block` nginx-lua module directive to specify block of Lua code
`ngx.say` output given text to client	`os.getenv` get specified environment variable value
`PATH` sample environment variable to get value of

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