base_images

Build:
2026-06-10 21:48.04: New job: Build using windows-x86_64 in
                                []
2026-06-10 21:48.04: Will push staging image to ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.3-amd64

Dockerfile:

# escape=`

FROM ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0,system-mingw
RUN opam pin add -k version ocaml-base-compiler 5.3.0
ENTRYPOINT [ "opam", "exec", "--" ]
CMD [ "cmd.exe" ]
COPY [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-10 21:48.04: Using cache hint "5.3.0-amd64-ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48"
2026-06-10 22:41.24: Waiting for worker…
2026-06-10 22:41.24: Got resource from pool OCluster
Building on ltsc2025-1
Sending build context to Docker daemon  2.048kB

Step 1/7 : FROM ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
docker.io/ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48: Pulling from ocurrent/opam-staging
Digest: sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
Status: Image is up to date for ocurrent/opam-staging@sha256:b0112fb4aff90935d66b984d76cd523563c47fbc9742a6f9dae2f9e51c814f48
 ---> 65324486415e
Step 2/7 : ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
 ---> Using cache
 ---> 706f850aeb0b
Step 3/7 : RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0,system-mingw
 ---> Running in 4d57d2bf035f

<><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
Switch invariant: ["ocaml-base-compiler" {= "5.3.0"} "system-mingw"]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed arch-x86_64.1
-> installed base-bigarray.base
-> installed base-threads.base
-> installed base-unix.base
-> installed host-arch-x86_64.1
-> installed host-system-mingw.1
-> installed conf-mingw-w64-gcc-x86_64.1
-> retrieved flexdll.0.44  (https://github.com/ocaml/flexdll/archive/refs/tags/0.44.tar.gz)
-> installed flexdll.0.44
-> retrieved mingw-w64-shims.0.2.0  (https://github.com/dra27/mingw-w64-shims/archive/refs/tags/0.2.0.tar.gz)
-> installed ocaml-options-vanilla.1
-> installed mingw-w64-shims.0.2.0
-> installed ocaml-env-mingw64.1
-> installed system-mingw.1
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-config.3  (2 extra sources)
-> retrieved ocaml-compiler.5.3.0  (https://github.com/ocaml/ocaml/releases/download/5.3.0/ocaml-5.3.0.tar.gz)
-> installed ocaml-compiler.5.3.0
-> installed ocaml-base-compiler.5.3.0
-> installed ocaml-config.3
-> installed ocaml.5.3.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
Done.
# Run for /f "tokens=*" %i in ('opam env --switch=5.3') do @%i to update the current shell environment
 ---> Removed intermediate container 4d57d2bf035f
 ---> f2aa254ca0c7
Step 4/7 : RUN opam pin add -k version ocaml-base-compiler 5.3.0
 ---> Running in fb5af0c9420f
ocaml-base-compiler is now pinned to version 5.3.0

No package build needed.
Nothing to do.
# Run for /f "tokens=*" %i in ('opam env') do @%i to update the current shell environment
 ---> Removed intermediate container fb5af0c9420f
 ---> 53f796a7ab99
Step 5/7 : ENTRYPOINT [ "opam", "exec", "--" ]
 ---> Running in 72a2fb082343
 ---> Removed intermediate container 72a2fb082343
 ---> 750dc7463485
Step 6/7 : CMD [ "cmd.exe" ]
 ---> Running in 1fb9fc4b2b65
 ---> Removed intermediate container 1fb9fc4b2b65
 ---> f31ba00429c6
Step 7/7 : COPY [ "Dockerfile", "/Dockerfile.ocaml" ]
 ---> 316bddd1825c
Successfully built 316bddd1825c
Pushing "sha256:316bddd1825c4ef73f0f89a0249aeddf46749a81800bf2018d90171a921a5bfb" to "ocurrent/opam-staging:windows-server-mingw-ltsc2025-ocaml-5.3-amd64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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windows-server-mingw-ltsc2025-ocaml-5.3-amd64: digest: sha256:cd2728ae51f64f402f0856324b13a52678428e2e023e1673e55bd8c4f99d3563 size: 10631
Job succeeded
2026-06-10 23:04.05: Job succeeded