Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# ---- base system deps ----
+# ---- system deps ----
 RUN apt-get update \
  && apt-get install -y --no-install-recommends \
       build-essential \
@@ -10,13 +10,12 @@ RUN apt-get update \
       make \
       curl \
       ca-certificates \
+      pkg-config \
       libudev-dev \
       libsystemd-dev \
-      pkg-config \
  && rm -rf /var/lib/apt/lists/*
 
 # ---- install uv ----
-# installs to /root/.local/bin/uv
 RUN curl -LsSf https://astral.sh/uv/install.sh | sh
 ENV PATH=/root/.local/bin:$PATH
 
@@ -24,39 +23,43 @@ ENV PATH=/root/.local/bin:$PATH
 ARG PYTHON_VERSION=3.12.12
 RUN uv python install ${PYTHON_VERSION}
 
-# ---- opentrons workspace ----
-WORKDIR /root/opentrons
+# ---- clone Opentrons repo ----
+# You can pin a tag/branch/commit with OPENTRONS_REF
+ARG OPENTRONS_REF=main
+WORKDIR /root
 
-# copy opentrons repo (robot-server含む)
-COPY . /root/opentrons
+RUN git clone https://github.com/Opentrons/opentrons.git /root/opentrons \
+ && cd /root/opentrons \
+ && git checkout ${OPENTRONS_REF}
+
+WORKDIR /root/opentrons
 
 # ---- robot-server setup (use uv-managed python) ----
+RUN test -d robot-server
 RUN uv run --python ${PYTHON_VERSION} make -C robot-server setup
 
-# ---- create app user ----
+# ---- (optional) your app layer ----
+# If you also want to copy YOUR gradio app into the image, keep these lines.
+# Otherwise you can delete everything below and just run robot-server related commands.
+
 RUN useradd -m -u 1000 user
 USER user
-
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
 WORKDIR $HOME/app
 
-# ---- Python deps (cache-friendly) ----
+# cache-friendly deps install
 COPY --chown=user requirements.txt $HOME/app/requirements.txt
-
 RUN uv venv --python ${PYTHON_VERSION} .venv \
  && uv pip install --python .venv/bin/python -r requirements.txt
 
-# ---- copy rest of app ----
 COPY --chown=user . $HOME/app
 
-# ---- entrypoint ----
 USER root
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
 WORKDIR /root/opentrons
-
 ENTRYPOINT ["/bin/bash", "-lc", "source /entrypoint.sh && exec \"$@\""]
 CMD ["bash"]