Add Docker configuration for conda.

tools/build/Docker/Dockerfile.Conda

@@ -0,0 +1,18 @@
+FROM ubuntu:22.04
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+    && \
+    rm -rf /var/lib/apt/lists/*
+
+# install Miniforge3
+RUN curl -L -O "https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh" && \
+    bash Miniforge3-$(uname)-$(uname -m).sh -b -p /opt/miniforge3 && \
+    rm "Miniforge3-$(uname)-$(uname -m).sh" && \
+    /opt/miniforge3/bin/conda init
+
+WORKDIR /builds
+
+VOLUME [ "/builds" ]

tools/build/Docker/README.conda.rst

@@ -0,0 +1,26 @@
+========================
+FreeCAD build with Conda
+========================
+
+Container
+=========
+
+Build and run the `freecad-conda` container with the following commands:
+
+.. code-block:: console
+
+    docker build --file tools/build/Dockerfile.Conda --tag freecad-conda
+    docker run --rm --interactive --tty --volume $(pwd):/builds:z freecad-conda
+
+Build Code
+==========
+
+Within the `freecad-conda` container, install the build dependencies and build
+FreeCAD using the following commands:
+
+.. code-block:: console
+
+    conda/setup-environment.sh
+    conda activate freecad
+    cmake --preset conda-linux-debug
+    cmake --build build/debug