print env via NJS
consult Dockerfile or docker-compose.yml - both are simple and fine enough.
configuration:
server {
listen 8080;
location / { return 204; }
js_import ngx_env.js;
location = /env
{
js_content ngx_env.report;
}
}
NJS script:
function report(r) {
var s = "";
const keys = Object.keys(process.env).sort();
for (const i in keys) {
const k = keys[i];
const v = process.env[k];
s += k + '=' + v + "\n";
}
r.return(200, s);
}
export default { report };
Test URI e.g. with curl
:
curl http://127.0.0.1:8080/env