Fixes for Docker and CI

Author: AltGr

.ci-macosx.sh

@@ -6,7 +6,7 @@ brew update
 brew install pkg-config
 brew install opam
 brew install libev
-opam init -y --compiler=4.05.0
+opam init -y --compiler=4.12.0
 eval $(opam env)
 
 opam install -y -j 2 . --deps-only --locked

.github/workflows/static-builds.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Prepare build environment
         run: |
           opam init -a --bare
-          opam switch create . ocaml-base-compiler 'dune<2' --deps-only
+          opam switch create . ocaml-base-compiler --deps-only
       - name: Build the binaries
         run: |
           opam exec -- make LINKING_MODE=static

Dockerfile

@@ -1,4 +1,4 @@
-FROM ocaml/opam2:alpine as compilation
+FROM ocaml/opam:alpine-3.13-ocaml-4.12 as compilation
 LABEL Description="learn-ocaml building" Vendor="OCamlPro"
 
 WORKDIR /home/opam/learn-ocaml

Dockerfile.test-client

@@ -1,7 +1,7 @@
 # This Dockerfile is useful for testing purposes
 # to ensure learn-ocaml-client can be built alone from learn-ocaml-client.opam
 
-FROM ocaml/opam:alpine-3.13-ocaml-4.05 as compilation
+FROM ocaml/opam:alpine-3.13-ocaml-4.12 as compilation
 LABEL Description="learn-ocaml building" Vendor="OCamlPro"
 
 WORKDIR learn-ocaml
@@ -13,7 +13,7 @@ RUN sudo chown -R opam:nogroup .
 ENV OPAMYES true
 RUN echo 'archive-mirrors: [ "https://opam.ocaml.org/cache" ]' >> ~/.opam/config \
   && opam repository set-url default http://opam.ocaml.org \
-  && opam switch 4.05 \
+  && opam switch 4.12 \
   && echo 'pre-session-commands: [ "sudo" "apk" "add" depexts ]' >> ~/.opam/config \
   && opam pin add -n -y -k path learn-ocaml-client . \
   && opam install learn-ocaml-client --deps-only

scripts/static-build.sh

@@ -10,11 +10,11 @@ cd $(dirname "$0")/..
 set -o pipefail
 git ls-files -z | xargs -0 tar c | \
   docker run --rm -i \
-    ocamlpro/ocaml:4.05 \
+    ocamlpro/ocaml:4.12 \
     sh -uexc \
       'tar x >&2 &&
        sudo apk add openssl-libs-static >&2 &&
-       opam switch create . ocaml-system "dune<2" --deps-only >&2 &&
+       opam switch create . ocaml-system --deps-only >&2 &&
        opam exec make LINKING_MODE=static >&2 &&
        tar c -hC _build/install/default/bin .' | \
   tar vx