diff --git a/Makefile b/Makefile
index ce35131d..31b40978 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# Generated by mirage.v4.10.1
+# Generated by mirage.v4.10.3
 
 -include Makefile.user
 BUILD_DIR = unikernel/
diff --git a/README.md b/README.md
index bd1cb864..14496288 100644
--- a/README.md
+++ b/README.md
@@ -3,14 +3,9 @@
 
 build steps:
 
-$ mirage configure -f unikernel/config.ml -t unix
-$ gen_tls.sh foo
-$ make
+gen_tls.sh foo
+
+mirage configure -f unikernel/config.ml -t unix && make
 
 run:
 ./unikernel/dist/mte --pg-database taler-exchange --pg-port 5432 --pg-hostname localhost --pg-user mte --pg-password xxx
-
-todo
-  - make a .opam file
-  - pin pgx to:
-    "git+https://github.com/pgx-ocaml/pgx.git#57c39ad93b712b4a9c1914be0c99172e050bc8e9"
diff --git a/dune-project b/dune-project
index d020ffa9..e06b4ae5 100644
--- a/dune-project
+++ b/dune-project
@@ -4,4 +4,4 @@
 
 (implicit_transitive_deps true)
 
-;; Generated by mirage.v4.10.1
+;; Generated by mirage.v4.10.3
diff --git a/dune-workspace b/dune-workspace
index 743ecfad..9f714f25 100644
--- a/dune-workspace
+++ b/dune-workspace
@@ -2,4 +2,4 @@
 
 (context (default))
 
-;; Generated by mirage.v4.10.1
+;; Generated by mirage.v4.10.3
diff --git a/unikernel/config.ml b/unikernel/config.ml
index 89f8783b..95b788ee 100644
--- a/unikernel/config.ml
+++ b/unikernel/config.ml
@@ -4,12 +4,26 @@ let pgx_setup = runtime_arg ~pos:__POS__ "Unikernel.pgx_setup"
 
 let packages =
   [
-    package "digestif"; package ~min:"0.0.9" "mimic-happy-eyeballs";
-    package "hxd" ~sublibs:[ "core"; "string" ]; package "rresult";
-    package ~min:"0.13.0" "h2"; package ~min:"10.0.0" "dns-client";
-    package "pgx"; package "pgx_lwt"; package "pgx_lwt_mirage"; package "logs";
-    package "mirage-logs"; package "conduit"; package "duration";
+    package ~min:"0.0.9" "mimic-happy-eyeballs"; package ~min:"0.13.0" "h2";
+    package "logs"; package "mirage-logs";
+    package "rresult";
   ]
+  (*
+  @ [
+      package "pgx"; package "pgx_lwt"; package "pgx_lwt_mirage";
+      package "conduit";
+  ]
+  *)
+  (*
+  @ [ package ~min:"10.0.0" "dns-client"; package "dns-client-mirage" ]
+  *)
+  (*
+  @ [
+      package ~min:"2.2.4" "caqti"; package ~min:"2.2.4" "caqti-tls";
+      package "caqti-driver-pgx"; package "caqti-mirage"; package "caqti-lwt";
+  package "dns-client-mirage";
+    ]
+    *)
 
 let mte =
   main "Unikernel.Make" ~local_libs:[ "mte" ] ~packages
diff --git a/unikernel/dune b/unikernel/dune
index acdbca06..d336b137 100644
--- a/unikernel/dune
+++ b/unikernel/dune
@@ -1,3 +1,3 @@
-;; Generated by mirage.v4.10.1
+;; Generated by mirage.v4.10.3
 
 (include dune.build)
diff --git a/unikernel/unikernel.ml b/unikernel/unikernel.ml
index 806afba7..a1523b88 100644
--- a/unikernel/unikernel.ml
+++ b/unikernel/unikernel.ml
@@ -76,8 +76,6 @@ module Make
         with type stack = STACK.t
          and type flow = STACK.TCP.flow) =
 struct
-  module Pgx_mirage = Pgx_lwt_mirage.Make (STACK) (Happy_eyeballs)
-
   let map_err_to_string pp_err res =
     Lwt.map (R.reword_error (R.msgf "%a" pp_err)) res
 
@@ -276,11 +274,18 @@ struct
     let (`Initialized th) = Paf.serve http_1_1_service http_server in
     th
 
+  (*module Pgx_mirage = Pgx_lwt_mirage.Make (STACK) (Happy_eyeballs)*)
+
+  module Dns = Dns_client_mirage.Make (STACK) (Happy_eyeballs)
+  module Caqti_mirage_connect = Caqti_mirage.Make (STACK) (Dns)
+
+
   let start assets_ro certificate_ro key_ro tcpv4v6 http_server stack
-      happy_eyeballs pgx_setup =
+      happy_eyeballs _pgx_setup =
     Logs.set_reporter (Logs_fmt.reporter ());
     Logs.(set_level (Some Info));
     let open Lwt.Syntax in
+    (*
     let pgx = Pgx_mirage.connect (stack, happy_eyeballs) in
     let module Pgx = (val pgx : Pgx_lwt.S) in
     let { pgx_database; pgx_port; pgx_hostname; pgx_user; pgx_password } =
@@ -295,6 +300,7 @@ struct
       | false -> Fmt.failwith "Pgx connection failure: connection not alive"
       | true -> Logs.info (fun m -> m "Pgx connection success")
     in
+    *)
     let* assets_res = Assets.assets assets_ro in
     match assets_res with
     | Error (`Msg m) -> Fmt.failwith "Assets configuration error: %s." m