diff --git a/docker/Dockerfile-mini b/docker/Dockerfile-mini
new file mode 100644
index 0000000..756d509
--- /dev/null
+++ b/docker/Dockerfile-mini
@@ -0,0 +1,67 @@
+FROM ubuntu:22.04
+
+SHELL ["/bin/bash", "-c"]
+
+USER root
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Build tools + minimal Python
+RUN apt-get update -y && apt-get install -y \
+    python3 python3-dev python3-pip \
+    cmake g++ gcc binutils \
+    libssl-dev wget git \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN python3 -m pip install --upgrade pip && \
+    python3 -m pip install numpy pandas uproot awkward plotly ipython && \
+    ln -sf /usr/bin/python3 /usr/bin/python
+
+# Geant4 v11.1.2 — batch mode only (no visualization, no multithreading)
+RUN wget -q https://gitlab.cern.ch/geant4/geant4/-/archive/v11.1.2/geant4-v11.1.2.tar.gz && \
+    tar -xzf geant4-v11.1.2.tar.gz -C /tmp && \
+    rm geant4-v11.1.2.tar.gz && \
+    mkdir /tmp/geant4-v11.1.2-build && \
+    cmake \
+        -S /tmp/geant4-v11.1.2 \
+        -B /tmp/geant4-v11.1.2-build \
+        -DCMAKE_INSTALL_PREFIX=/opt/geant4-v11.1.2 \
+        -DCMAKE_RULE_MESSAGES=OFF \
+        -DGEANT4_INSTALL_DATA=ON \
+        -DGEANT4_BUILD_MULTITHREADED=OFF \
+        -DGEANT4_BUILD_TLS_MODEL=global-dynamic \
+        > /dev/null && \
+    cmake --build /tmp/geant4-v11.1.2-build --parallel $(nproc) > /dev/null && \
+    cmake --install /tmp/geant4-v11.1.2-build > /dev/null && \
+    rm -rf /tmp/geant4-v11.1.2 /tmp/geant4-v11.1.2-build
+
+ENV LD_LIBRARY_PATH="/opt/geant4-v11.1.2/lib:${LD_LIBRARY_PATH}"
+
+# Build minicalo
+ARG BUILD_DATE
+ARG COMMIT
+ARG USER
+LABEL org.label-schema.build-date=$BUILD_DATE
+
+ADD minicalosim /root/minicalosim
+
+RUN cd /root/minicalosim && git checkout $COMMIT && \
+    git submodule update --init && \
+    cmake \
+        -S . -B build \
+        -DWITH_GEANT4_UIVIS=OFF \
+        > /dev/null && \
+    cmake --build build --parallel $(nproc) && \
+    cp build/minicalo*.so /usr/local/lib/python3.10/dist-packages/
+
+RUN cp /root/minicalosim/bind/G4Calo.py \
+       /root/minicalosim/bind/minicalo_tools.py \
+       /root/minicalosim/bind/minipandas.py \
+       /usr/local/lib/python3.10/dist-packages/ && \
+    install -m 755 /root/minicalosim/bind/G4Calo_exec.py /usr/local/bin/G4Calo_exec.py
+
+# Copy examples
+RUN cp -r /root/minicalosim/bind /examples && \
+    rm -rf /root/minicalosim
+
+WORKDIR /examples
+CMD ["bash"]
diff --git a/docker/build_mini.sh b/docker/build_mini.sh
new file mode 100755
index 0000000..3cd5f08
--- /dev/null
+++ b/docker/build_mini.sh
@@ -0,0 +1,74 @@
+#!/usr/bin/bash
+
+if [ -n "$1" ]; then
+    if [ "$1" == "--no-cache" ]; then
+        FORCE_NO_CACHE="--no-cache"
+        COMMIT=$(git rev-parse --short HEAD)
+    else
+        COMMIT=$1
+        if ! git cat-file -e $COMMIT^{commit} 2>/dev/null; then
+            echo "ERROR: Commit $COMMIT not found in local repository."
+            exit 1
+        fi
+    fi
+else
+    COMMIT=$(git rev-parse --short HEAD)
+fi
+
+if [ "$COMMIT" == "$(git rev-parse --short HEAD)" ]; then
+    if [ -n "$(git status --porcelain)" ]; then
+        echo "WARNING: You are building the latest commit ${COMMIT}, but you have uncommitted changes."
+        echo "         This means that the image will not be reproducible."
+        echo "         If you want to build the latest commit, please commit your changes first."
+        read -p "Do you want to continue anyway? [y/N] " -n 1 -r
+        echo
+        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+            exit 1
+        fi
+    fi
+fi
+
+check_remote_commit_exists() {
+    local url="$1"
+    local commit="$2"
+    local tmpdir
+    tmpdir="$(mktemp -d)"
+    trap 'rm -rf "$tmpdir"' RETURN
+    git -C "$tmpdir" init -q
+    git -C "$tmpdir" remote add origin "$url"
+    if git -C "$tmpdir" fetch --quiet --depth=1 origin "$commit" 2>/dev/null; then
+        echo "✅ Commit $commit exists on remote."
+        return 0
+    else
+        echo "❌ ERROR: Commit $commit not found on remote."
+        echo "Refs currently visible on remote:"
+        git ls-remote --heads --tags "$url"
+        return 1
+    fi
+}
+
+if ! check_remote_commit_exists https://github.com/jkiesele/minicalosim $COMMIT; then
+    echo "WARNING: Commit $COMMIT not found in remote repository."
+fi
+
+if [ "$2" == "--no-cache" ]; then
+    FORCE_NO_CACHE="--no-cache"
+fi
+
+cd "$(dirname "$0")"
+cd ../../
+echo "Building minicalosim-mini:$COMMIT"
+echo "Current working directory: $(pwd)"
+
+docker build $FORCE_NO_CACHE \
+    -t jkiesele/minicalosim-mini:$COMMIT \
+    --build-arg USER=$USER \
+    --build-arg BUILD_DATE="$(date)" \
+    --build-arg COMMIT=$COMMIT \
+    -f minicalosim/docker/Dockerfile-mini .
+
+echo "successfully built container jkiesele/minicalosim-mini:${COMMIT}"
+
+docker tag jkiesele/minicalosim-mini:$COMMIT jkiesele/minicalosim-mini:latest
+
+echo "also tagged as jkiesele/minicalosim-mini:latest"