diff --git a/bin/goldilocks.js b/bin/goldilocks.js
index 28d33c0..70526cd 100755
--- a/bin/goldilocks.js
+++ b/bin/goldilocks.js
@@ -69,6 +69,7 @@ function readConfigAndRun(args) {
 
   var recase = require('recase').create({});
   config = recase.camelCopy(config);
+  config.debug = config.debug || args.debug;
 
   if (!config.dns) {
     config.dns = { modules: [{ name: 'proxy', port: 3053 }] };
@@ -85,15 +86,17 @@ function readConfigAndRun(args) {
     config.http = { modules: [{ name: 'proxy', domains: ['*'], port: 3000 }] };
   }
   if (!config.tls) {
-    console.log("TODO: tls: { modules: { name: 'acme', email: 'foo@bar.com', domains: [ '*' ] } }");
-    config.tls = {
-      agreeTos: args.agreeTos || args.agree || args['agree-tos']
-    , servernames: (args.servernames||'').split(',').filter(Boolean).map(function (str) { return str.toLowerCase(); })
-    };
+    config.tls = {};
+  }
+  if (!config.tls.acme && (args.email || args.agreeTos)) {
+    config.tls.acme = {};
+  }
+  if (typeof args.agreeTos === 'string') {
+    config.tls.acme.approvedDomains = args.agreeTos.split(',');
   }
   if (args.email) {
     config.email = args.email;
-    config.tls.email = args.email;
+    config.tls.acme.email = args.email;
   }
 
   // maybe this should not go in config... but be ephemeral in some way?
@@ -195,20 +198,20 @@ function readConfigAndRun(args) {
 
 function readEnv(args) {
   // TODO
+  try {
+    if (process.env.GOLDILOCKS_HOME) {
+      process.chdir(process.env.GOLDILOCKS_HOME);
+    }
+  } catch (err) {}
+
   var env = {
     tunnel: process.env.GOLDILOCKS_TUNNEL_TOKEN || process.env.GOLDILOCKS_TUNNEL && true
   , email: process.env.GOLDILOCKS_EMAIL
-  , cwd: process.env.GOLDILOCKS_HOME
+  , cwd: process.env.GOLDILOCKS_HOME || process.cwd()
   , debug: process.env.GOLDILOCKS_DEBUG && true
   };
-  args.cwd = args.cwd || env.cwd;
-  Object.keys(env).forEach(function (key) {
-    if ('undefined' === typeof args[key]) {
-      args[key] = env[key];
-    }
-  });
 
-  readConfigAndRun(args);
+  readConfigAndRun(Object.assign({}, env, args));
 }
 
 var program = require('commander');
@@ -222,5 +225,4 @@ program
   .option('--debug', "Enable debug output")
   .parse(process.argv);
 
-program.cwd = process.cwd();
 readEnv(program);