Dockerfile.all

# ___________________________________________________________________________________
# SPDX-License-Identifier: MIT
# This file is part of H5CPP.
# Copyright (c) 2025-2026 Varga Labs, Toronto, ON, Canada.
# __________________________________________________________________________________

FROM ubuntu:24.04

ENV DEBIAN_FRONTEND=noninteractive

# OpenMPI permits running as root inside Docker
ENV OMPI_ALLOW_RUN_AS_ROOT=1
ENV OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1
ENV OMPI_MCA_rmaps_base_oversubscribe=1

# Speed up package installation inside Docker by disabling fsync
RUN apt-get update && \
    apt-get install -y --no-install-recommends eatmydata && \
    eatmydata apt-get install -y --no-install-recommends \
        cmake \
        g++ \
        make \
        libhdf5-dev \
        libhdf5-openmpi-dev \
        libopenmpi-dev \
        openmpi-bin \
        zlib1g-dev && \
    rm -rf /var/lib/apt/lists/*

# CMake's FindHDF5 looks for h5cc by default; prefer the parallel wrapper
RUN apt-get update && eatmydata apt-get install -y --no-install-recommends pkg-config python3 libboost-dev libarmadillo-dev && rm -rf /var/lib/apt/lists/*

RUN ln -sf /usr/bin/h5pcc /usr/bin/h5cc

# HDF5 headers live in a subdir with the Ubuntu packaged parallel build;
# make them visible to the compiler since examples/CMakeLists.txt does not
# always add HDF5_INCLUDE_DIRS to target_include_directories.
ENV CPLUS_INCLUDE_PATH=/usr/include/hdf5/openmpi:/usr/lib/x86_64-linux-gnu/openmpi/include

WORKDIR /h5cpp

# Copy the full project (headers, examples, thirdparty, tests, cmake, etc.)
COPY . .

# Configure and build the complete suite: tests + examples
RUN cmake -B build \
        -DH5CPP_BUILD_TESTS=ON \
        -DH5CPP_BUILD_EXAMPLES=ON \
        -DCMAKE_BUILD_TYPE=Release
RUN cmake --build build --parallel

# Default: run ctest and a subset of example smoke tests
CMD ["bash", "-c", "\
echo '=== Running CTest ===' && \
ctest --test-dir build --output-on-failure && \
echo '' && \
echo '=== Core Example Smoke Tests ===' && \
./build/examples/examples-basics && \
./build/examples/examples-stl && \
./build/examples/examples-datasets && \
./build/examples/examples-attributes && \
echo '' && \
echo '=== Linalg Example Smoke Tests ===' && \
./build/examples/examples-dlib && \
echo '' && \
echo '=== MPI Example Smoke Tests ===' && \
mpiexec -n 2 ./build/examples/examples-mpi-collective && \
mpiexec -n 2 ./build/examples/examples-mpi-independent && \
mpiexec -n 2 ./build/examples/examples-mpi-throughput \
"]