ci: add Dockerfile and its automation script

ci/occt.Dockerfile

@@ -0,0 +1,37 @@
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y\
+    build-essential \
+    git \
+    cmake \
+    tcl tcl-dev \
+    tk tk-dev \
+    libfreeimage-dev \
+    libxmu-dev libxi-dev \
+    libglfw3-dev libgl1-mesa-dev libglu1-mesa-dev \
+    xvfb \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN git clone https://github.com/Open-Cascade-SAS/OCCT.git opencascade
+WORKDIR /opencascade
+RUN git checkout V7_4_0 -b dev-branch
+RUN mkdir -p build
+WORKDIR /opencascade/build
+
+RUN cmake .. \
+    -DCMAKE_BUILD_TYPE=release \
+    -DCMAKE_INSTALL_PREFIX=/usr/local \
+    -DUSE_FREEIMAGE=OFF \
+    -DUSE_FFMPEG=OFF \
+    -DUSE_VTK=OFF \
+    -DUSE_TBB=OFF
+RUN make -j$(nproc)
+RUN make install
+
+WORKDIR /app
+COPY src/occt/ ./src
+COPY unit-test/occt/ ./unit-test
+
+RUN cmake -S src -B build -DCMAKE_PREFIX_PATH=/usr/local && cmake --build build

ci/scripts/occt.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+IMAGE_NAME="occt-builder:latest"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_PATH="$(cd "$SCRIPT_DIR/../../" && pwd)"
+DOCKERFILE_PATH="$SCRIPT_DIR/../occt.Dockerfile"
+
+echo "Building image..."
+if ! docker build -f "$DOCKERFILE_PATH" -t "$IMAGE_NAME" "$PROJECT_PATH"; then
+    echo "Image build failed." >&2
+    exit 1
+fi
+
+echo "Listing /usr/local/bin..."
+if ! docker run --rm "$IMAGE_NAME" ls /usr/local/bin; then
+    echo "Listing /usr/local/bin failed." >&2
+    exit 1
+fi