feat: implement vertical crop, local LLM deepseek-v4-flash, multi-threading, word-level pink box highlight subtitles, and Nextcloud scan sync

brainrotinator/Dockerfile

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+# Use an official Python runtime as a base image
+FROM python:3.12.2
+
+# Set the working directory in the container
+WORKDIR /app
+
+# System deps: git for pip-from-git, ffmpeg (with libass for subtitle burn-in), fonts, debugging tools.
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        git bash nano wget ca-certificates \
+        ffmpeg fonts-dejavu-core \
+    && rm -rf /var/lib/apt/lists/*
+
+# Verify libass is built into ffmpeg (subtitle burn-in needs it).
+RUN ffmpeg -hide_banner -filters 2>/dev/null | grep -q "ass " || (echo "ffmpeg lacks ass filter" && exit 1)
+
+# Upgrade pip and pin setuptools < 71 (newer versions break legacy setup.py
+# packages like openai-whisper that import pkg_resources at module top-level).
+RUN pip install --upgrade pip "setuptools<71" wheel
+
+# Copy requirements first so Docker can cache the installed packages layer
+COPY requirements.txt /app/
+
+# Install Python deps. --no-build-isolation lets setup.py-based packages reuse
+# the setuptools we just pinned, instead of pip pulling latest into an isolated env.
+RUN pip install --no-cache-dir --no-build-isolation -r requirements.txt
+
+# Copy the rest of the application code
+COPY . /app
+
+# Geckodriver for the (optional) selenium uploaders.
+RUN wget -q https://github.com/mozilla/geckodriver/releases/download/v0.32.0/geckodriver-v0.32.0-linux64.tar.gz \
+    && tar -xzf geckodriver-v0.32.0-linux64.tar.gz \
+    && mv geckodriver /usr/local/bin/ \
+    && rm geckodriver-v0.32.0-linux64.tar.gz \
+    && geckodriver --version
+
+# Firefox for selenium uploaders (optional). firefox-esr ships in Debian stable
+# so we don't need to add the `unstable` repo (which causes openssl conflicts).
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends firefox-esr \
+    && rm -rf /var/lib/apt/lists/*
+
+# Gradio default port
+EXPOSE 7860
+
+# Default: launch the Gradio UI. Override with `docker run ... bash` for the CLI.
+CMD ["python", "app.py"]