Dockerized

Dockerfile

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+FROM mambaorg/micromamba:1.5.10
+
+WORKDIR /app
+
+# Install FreeCAD + Python via conda-forge (headless)
+RUN micromamba create -y -n fc -c conda-forge \
+      python=3.12 freecad \
+    && micromamba clean -a -y
+
+# Activate env for subsequent RUN/CMD
+ENV MAMBA_DOCKERFILE_ACTIVATE=1
+SHELL ["/bin/bash", "-lc"]
+
+# Install small OS deps (git for SheetMetal)
+# NOTE: do NOT switch users; keep it simple and reproducible
+USER root
+RUN mkdir -p /var/lib/apt/lists/partial \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends git ca-certificates \
+ && rm -rf /var/lib/apt/lists/*
+
+# Python deps into conda env
+COPY requirements.txt /app/requirements.txt
+RUN micromamba run -n fc pip install --no-cache-dir -r /app/requirements.txt
+
+# App sources
+COPY . /app
+
+# SheetMetal workbench (we'll link it into HOME at runtime)
+RUN mkdir -p /opt/freecad_mods \
+ && git clone --depth 1 https://github.com/shaise/FreeCAD_SheetMetal.git /opt/freecad_mods/SheetMetal
+
+# Make FreeCAD find SheetMetal without any host volume
+ENV HOME=/opt/freecad_home
+RUN mkdir -p /opt/freecad_home/.local/share/FreeCAD/Mod \
+ && ln -s /opt/freecad_mods/SheetMetal /opt/freecad_home/.local/share/FreeCAD/Mod/SheetMetal
+
+# Runtime env (overridable)
+ENV FREECADCMD=/opt/conda/envs/fc/bin/freecadcmd
+ENV FREECAD_TIMEOUT_SEC=1200
+ENV FREECAD_LOCK_FILE=/app/_jobs/.freecad.lock
+ENV HOME=/config
+
+EXPOSE 5055
+
+CMD ["bash", "-lc", "micromamba run -n fc gunicorn -w 1 --threads 4 -b 0.0.0.0:5055 app:app"]