change alpine version

Author: panglesd

release/Dockerfile

@@ -1,12 +1,10 @@
-FROM ocaml/opam:alpine-ocaml-4.14
+FROM ocaml/opam:alpine-3.20-ocaml-4.14
 RUN sudo apk add libev-dev openssl-dev libffi-dev gmp-dev
 RUN sudo apk add openssl-libs-static
 WORKDIR slipshow/
 
 COPY --chown=opam *.opam .
 
-ENV PTHREAD_STACK_MIN 2097152
-
 RUN opam install -y --deps-only --with-test --with-doc .
 
 COPY --chown=opam . .