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# Single container: Kafka (KRaft) + Matcher + MD Feeder + Dashboard + FIX OEG + FIX UI Client
FROM python:3.11-slim
ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1
# Limit Kafka JVM heap to fit free-tier RAM
ENV KAFKA_HEAP_OPTS="-Xmx400m -Xms256m"
# Install Java (required by Kafka) + wget + nginx + C++ build tools (for QuickFIX)
RUN apt-get update && apt-get install -y --no-install-recommends \
default-jre-headless \
wget \
nginx \
build-essential \
libssl-dev \
zlib1g-dev \
libbz2-dev \
&& rm -rf /var/lib/apt/lists/*
# Download Apache Kafka 3.7.0 (KRaft mode – no ZooKeeper needed)
ARG KAFKA_VERSION=3.7.0
RUN wget -q \
"https://archive.apache.org/dist/kafka/${KAFKA_VERSION}/kafka_2.13-${KAFKA_VERSION}.tgz" \
-O /tmp/kafka.tgz \
&& tar -xzf /tmp/kafka.tgz -C /opt \
&& mv /opt/kafka_2.13-${KAFKA_VERSION} /opt/kafka \
&& rm /tmp/kafka.tgz
# Install Python dependencies (quickfix compiles from source – allow extra time)
# v2.0.3: force rebuild 2026-03-08
RUN pip install --no-cache-dir \
kafka-python==2.0.2 \
Flask==2.2.5 \
requests==2.31.0 \
quickfix \
"numpy<2.0" \
pandas==2.2.3 \
scikit-learn==1.6.1 \
stable-baselines3==2.4.1 \
huggingface_hub==0.28.1 \
&& echo "pip-v2.0.3"
# ── Application code (flat layout matching /app container paths) ──────────────
WORKDIR /app
COPY shared/ /app/shared/
RUN mkdir -p /app/data
# Also expose schedule path via env so dashboard finds it
ENV SCHEDULE_FILE=/app/shared/data/market_schedule.txt
# Matcher service
COPY matcher/matcher.py /app/matcher.py
COPY matcher/database.py /app/database.py
# MD Feeder service
COPY md_feeder/mdf_simulator.py /app/mdf_simulator.py
# Dashboard service
COPY dashboard/dashboard.py /app/dashboard.py
COPY dashboard/templates/ /app/templates/
# Frontend (order entry) service
COPY frontend/frontend.py /app/frontend.py
COPY frontend/templates/ /app/frontend_templates/
# FIX OEG (Order Entry Gateway)
COPY fix_oeg/fix_oeg_server.py /app/fix_oeg/fix_oeg_server.py
COPY fix_oeg/FIX44.xml /app/fix_oeg/FIX44.xml
# Use HF-specific config (localhost paths instead of container service names)
COPY fix_server_hf.cfg /app/fix_oeg/fix_server.cfg
# FIX UI Client
COPY fix-ui-client/fix-ui-client.py /app/fix_ui/fix_ui_client.py
COPY fix-ui-client/templates/ /app/fix_ui/templates/
COPY client_hf.cfg /app/fix_ui/client_hf.cfg
# AI Analyst service
COPY ai_analyst/ai_analyst.py /app/ai_analyst.py
# Clearing House service
COPY clearing_house/ /app/clearing_house/
# ── Kafka KRaft configuration ─────────────────────────────────────────────────
COPY kafka-kraft.properties /opt/kafka/config/kraft/server.properties
# ── nginx configuration ───────────────────────────────────────────────────────
COPY nginx.conf /etc/nginx/nginx.conf
# ── Startup script ────────────────────────────────────────────────────────────
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
EXPOSE 7860
CMD ["/entrypoint.sh"]
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