FROM ubuntu:26.04

ENV DEBIAN_FRONTEND=noninteractive

# Create jenkins user (UID 1001 to avoid conflicts with existing users)
RUN groupadd -g 1001 jenkins && \
    useradd -u 1001 -g 1001 -m -s /bin/bash jenkins

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      python3 \
      clang-format \
      cmake \
      ninja-build \
      git \
      g++ \
      make \
      ca-certificates \
      openssh-client \
      pkg-config \
      qtbase5-dev \
      qt6-base-dev \
      qt6-base-dev-tools \
      qt6-tools-dev \
      qt6-tools-dev-tools \
      lcov && \
    rm -rf /var/lib/apt/lists/*

# Set Qt platform for headless testing
ENV QT_QPA_PLATFORM=offscreen

# Configure git for containerized environments
RUN git config --global --add safe.directory "*"

WORKDIR /workspace

# Switch to non-root user
USER jenkins