Files
dictia-public/Dockerfile

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3.8 KiB
Docker

###############################################################################
# Stage 1: Builder — install Python deps and download vendor assets
###############################################################################
FROM python:3.11-slim AS builder
ARG PRODUCTION=0
ARG LIGHTWEIGHT=1
WORKDIR /app
# gcc is needed to compile C extensions during pip install
RUN apt-get update && apt-get install -y --no-install-recommends gcc \
&& rm -rf /var/lib/apt/lists/*
# Install Python dependencies
COPY requirements.txt requirements-embeddings.txt constraints.txt ./
RUN pip install --no-cache-dir --prefix=/install -c constraints.txt -r requirements.txt && \
if [ "$LIGHTWEIGHT" = "0" ]; then \
pip install --no-cache-dir --prefix=/install -c constraints.txt -r requirements-embeddings.txt; \
fi
# Download vendor assets (JS/CSS/fonts)
RUN mkdir -p /app/static/vendor
COPY scripts/download_offline_deps.py scripts/
RUN pip install --no-cache-dir requests && \
PRODUCTION=${PRODUCTION} python scripts/download_offline_deps.py && \
echo "✓ Vendor dependencies downloaded successfully"
###############################################################################
# Stage 2: FFmpeg — download static binaries (much smaller than apt ffmpeg)
###############################################################################
FROM python:3.11-slim AS ffmpeg-stage
RUN apt-get update && apt-get install -y --no-install-recommends wget xz-utils \
&& rm -rf /var/lib/apt/lists/* \
&& ARCH=$(dpkg --print-architecture) \
&& wget -q https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-${ARCH}-static.tar.xz -O /tmp/ff.tar.xz \
&& mkdir -p /tmp/ffmpeg-dir \
&& tar xf /tmp/ff.tar.xz -C /tmp/ffmpeg-dir --strip-components=1 \
&& mv /tmp/ffmpeg-dir/ffmpeg /usr/local/bin/ffmpeg \
&& mv /tmp/ffmpeg-dir/ffprobe /usr/local/bin/ffprobe \
&& chmod +x /usr/local/bin/ffmpeg /usr/local/bin/ffprobe \
&& rm -rf /tmp/ff.tar.xz /tmp/ffmpeg-dir
###############################################################################
# Stage 3: Assets builder — compile Tailwind v4 marketing CSS
###############################################################################
FROM node:20-alpine AS assets-builder
WORKDIR /app
COPY package.json postcss.config.js ./
COPY static/css ./static/css
COPY templates ./templates
RUN npm ci --no-audit --no-fund && NODE_ENV=production npm run build:css
###############################################################################
# Stage 4: Runtime — lean final image with only what's needed
###############################################################################
FROM python:3.11-slim
WORKDIR /app
# Copy static ffmpeg binaries (~150MB vs ~450MB from apt)
COPY --from=ffmpeg-stage /usr/local/bin/ffmpeg /usr/local/bin/ffmpeg
COPY --from=ffmpeg-stage /usr/local/bin/ffprobe /usr/local/bin/ffprobe
# Copy installed Python packages from builder
COPY --from=builder /install /usr/local
# Copy downloaded vendor assets from builder
COPY --from=builder /app/static/vendor /app/static/vendor
# Copy application code
COPY . .
# Copy compiled marketing CSS (overrides any stale file from `COPY . .`)
COPY --from=assets-builder /app/static/css/marketing.css /app/static/css/marketing.css
# Create necessary directories
RUN mkdir -p /data/uploads /data/instance && chmod 755 /data/uploads /data/instance
# Set environment variables
ENV FLASK_APP=src/app.py
ENV SQLALCHEMY_DATABASE_URI=sqlite:////data/instance/transcriptions.db
ENV UPLOAD_FOLDER=/data/uploads
ENV PYTHONPATH=/app
ENV HF_HOME=/data/instance/huggingface
# Add entrypoint script
COPY scripts/docker-entrypoint.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/docker-entrypoint.sh
EXPOSE 8899
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["gunicorn", "--workers", "3", "--bind", "0.0.0.0:8899", "--timeout", "600", "src.app:app"]