Disable package management by default

Signed-off-by: Marek Kubica <marek@tarides.com>

Author: Leonidas-from-XIV

Dockerfile

@@ -1,7 +1,7 @@
 FROM ocaml/opam:alpine-3.23-ocaml-4.14 AS build
 RUN sudo ln -sf /usr/bin/opam-2.5 /usr/bin/opam && \
   opam init --reinit -ni
-RUN opam repo add archive git+https://github.com/ocaml/opam-repository-archive --all
+RUN opam repo add archive-without-constraint git+https://github.com/tarides/moby-vpnkit-opam-repository-archive#remove-dune-upper-constraint --all
 
 ADD . /home/opam/vpnkit
 RUN opam pin add vpnkit /home/opam/vpnkit --kind=path -n

dune-project

@@ -1,2 +1,2 @@
-(lang dune 2.0)
+(lang dune 3.23)
 (name vpnkit)

dune-workspace

@@ -1,8 +1,10 @@
-(lang dune 3.19)
+(lang dune 3.23)
 
 (repository
  (name archive-without-constraint)
  (url git+https://github.com/tarides/moby-vpnkit-opam-repository-archive#remove-dune-upper-constraint))
 
 (lock_dir
  (repositories upstream overlay archive-without-constraint))
+
+(pkg disabled)

vpnkit.opam

@@ -25,7 +25,7 @@ build: [
 
 depends: [
   "ocaml" {>="4.08.0"}
-  "dune" {>= "3.19"}
+  "dune" {>= "3.23"}
   "alcotest" {with-test}
   "ounit" {with-test}
   "tar" {>= "1.0.1"}