diff --git a/README.md b/README.md
index bd93988e2da25474715f44d093c005680e242fc1..bb2de0f0dada0554351f6cd161678950ebf686ef 100644
--- a/README.md
+++ b/README.md
@@ -18,10 +18,18 @@ integration.test:
   stage: test
   script:
     - BUILD=$PWD
-    - cd `mktemp -d`
     - git clone https://xgitlab.cels.anl.gov/argo/argotest.git
     - cd argotest
-    - nix-shell -A test --run ./integration.hs --arg nrm-src $BUILD
+    - nix-shell -A test --run "./argotk.hs helloworld" --arg nrm-src ../.
+  artifacts:
+    paths:
+      - argotest/cmd_err.log
+      - argotest/cmd_out.log
+      - argotest/daemon_out.log
+      - argotest/daemon_out.log
+      - argotest/nrm.log
+      - argotest/time.log
+    expire_in: 1 week
   except:
     - /^wip\/.*/
     - /^WIP\/.*/
diff --git a/argotest/src/Argotest.hs b/argotest/src/Argotest.hs
index 5f75388a0000d1cd42577ae29a5f51df4186329a..9cd757cb83e4a9248763a9812acaa068e872e44c 100644
--- a/argotest/src/Argotest.hs
+++ b/argotest/src/Argotest.hs
@@ -21,7 +21,7 @@ import System.Posix.Signals
 
 data StackArgs = StackArgs
   { dargs                :: Text        --"Daemon arguments. Properly quote this."
-  , app                  :: FilePath    --"Input file, target application script"
+  , app                  :: Text        --"Target application call, sh+path valid"
   , manifest             :: FilePath    --"Input file, manifest."
   , cmd_out              :: FilePath    --"Output file, application stdout"
   , cmd_err              :: FilePath    --"Output file, application stderr"
@@ -33,7 +33,7 @@ data StackArgs = StackArgs
 instance Default StackArgs where
   def = StackArgs
     { dargs = ""
-    , app = "echo \"Dummy app: Hello world!\""
+    , app = "echo \"HelloWorld\""
     , manifest = "manifests/basic.json"
     , cmd_out = "cmd_out.log"
     , cmd_err = "cmd_err.log"
@@ -50,7 +50,6 @@ colorShell color s = setC color *> s *> setC White
 printInfo    :: Text -> Shell ()
 printError   :: Text -> Shell ()
 printWarning :: Text -> Shell ()
-
 printInfo    = printf ("Info:"%s)
 printWarning = colorShell Yellow . printf ("Warning:"%s)
 printError   = colorShell Red . printf ("Error:"%s)
@@ -106,6 +105,6 @@ prepareDaemonShell dargs daemon_out daemon_err nrm_log = do
     ExitFailure n -> do printInfo "Contents of argo_nodeos_config_exit_message: \n"
                         view $ cat  ["./argo_nodeos_config_exit_message"]
                         die ("Clean config failed with exit code " <> repr n)
-  printInfo $ format ("Running the daemon: see main log at "%fp%"\n") nrm_log
+  printInfo $ format ("Running the daemon, main log at "%fp%", stdout at "%fp%", stderr at "%fp%"\n") nrm_log daemon_out daemon_err
   export "ARGO_NODEOS_CONFIG" (format fp confPath')
   return $ sh $ inshell (format (fp%" "%s%" --nrm_log="%fp%" >"%fp%" 2>"%fp) daemonPath dargs nrm_log daemon_out daemon_err) empty
diff --git a/argotk.hs b/argotk.hs
index ec61fc02c1346dcf3d657669949fe2b80d1d3522..83be9bdbffd29a3ef8c1c3b6e83218b9bbf4bc17 100755
--- a/argotk.hs
+++ b/argotk.hs
@@ -1,5 +1,4 @@
-#! /usr/bin/env nix-shell
-#! nix-shell -i runhaskell -A test
+#! /usr/bin/env runhaskell
 
 {-# LANGUAGE
     OverloadedStrings
@@ -20,11 +19,20 @@ opts :: Parser (IO ())
 opts = subparser
   ( command "clean" (info (pure $ runClean def) idm)<> help "Target for the greeting"
  <> command "daemon"  (info (pure $ runDaemon def) idm)
- <> command "helloworld"  (info (pure $ runSimpleStack def) idm) )
+ <> command "helloworld"  (info (pure $ runHelloWorld def ) idm) )
 
 main :: IO ()
 main = join $ execParser (info (opts <**>helper) idm)
 
+runHelloWorld :: StackArgs -> IO ()
+runHelloWorld a@StackArgs{..} = do
+  let passStr = "HelloWorldFromApp"
+  runSimpleStack $ a {app = format ("echo "%s) passStr}
+  readTextFile cmd_err >>= \x -> case match (has "HelloWorldFromApp") x of
+    [] -> die ("Hello world app failed to run.")
+    _  -> sh $ printInfo "The hello world app executed properly in a \
+                         \container and its message was received by `cmd`.\n"
+
 runSimpleStack :: StackArgs -> IO ()
 runSimpleStack a@StackArgs{..} = sh $ do
   cleanLeftovers daemon_out daemon_err cmd_out cmd_err time_file nrm_log
@@ -39,7 +47,7 @@ runSimpleStack a@StackArgs{..} = sh $ do
 
   printInfo "Launching the application through cmd.\n"
   (_,t) <- time $
-    shell (format ("cmd run -u toto "%fp%"  "%fp%" > "%fp%" 2>"%fp) manifest app cmd_out cmd_err) empty >>= \case
+    shell (format ("cmd run -u toto "%fp%"  "%s%" > "%fp%" 2>"%fp) manifest app cmd_out cmd_err) empty >>= \case
       ExitSuccess   -> printInfo "cmd has exited successfuly.\n"
       ExitFailure n -> die ("cmd failed with exit code " <> repr n <>
         " . The application logs are at " <> repr cmd_out <> " " <> repr cmd_err )
@@ -54,6 +62,5 @@ runClean StackArgs{..} = sh $
   cleanLeftovers daemon_out daemon_err cmd_out cmd_err time_file nrm_log
 
 runDaemon :: StackArgs -> IO ()
-runDaemon StackArgs{..} = sh $ do
-  daemonShell <- prepareDaemonShell dargs daemon_out daemon_err nrm_log
-  daemonShell
+runDaemon StackArgs{..} = sh $
+  prepareDaemonShell dargs daemon_out daemon_err nrm_log >>= id
diff --git a/default.nix b/default.nix
index 5f9e832548c707a5f4205d328baf75bb76e29ce1..6e0364ccc94d6d4d7114dd04eb522008e8fbfb8c 100644
--- a/default.nix
+++ b/default.nix
@@ -19,13 +19,36 @@ let
 in rec
 {
 
-  dev-beforelib = hpkgs.shellFor {
+  dev-lib = hpkgs.shellFor {
     packages = p: with p; [ argotest ];
     withHoogle = true;
     buildInputs = with hpkgs; with pkgs; [ cabal-install ghcid
       hlint sysstat hdevtools];
   };
 
+  dev-test = pkgs.stdenv.mkDerivation rec {
+    name = "env";
+    env = pkgs.buildEnv { name = name; paths = buildInputs; };
+    buildInputs = [
+      (hpkgs.ghcWithPackages (p: [
+        p.argotest
+        p.turtle
+        p.data-default
+        p.managed
+        p.ansi-terminal
+        p.unix
+        p.system-filepath
+        p.async
+        ]))
+      containers
+      hpkgs.hdevtools
+      hpkgs.hlint
+      hpkgs.ghcid
+      amg
+      nrm
+    ];
+  };
+
   test = pkgs.stdenv.mkDerivation rec {
     name = "env";
     env = pkgs.buildEnv { name = name; paths = buildInputs; };