duckil_plm/fems-mqtt/Dockerfile

# fems-mqtt/Dockerfile
FROM eclipse-mosquitto:latest

ARG MQTT_USERNAME=fems
ARG MQTT_PASSWORD=fems123!
ARG NODE_RED_USERNAME=nodered_user
ARG NODE_RED_PASSWORD=nodered_password123!

# Create directories
RUN mkdir -p /mosquitto/config /mosquitto/data /mosquitto/log /mosquitto/certs

# Copy configuration
COPY ./config/mosquitto.conf /mosquitto/config/
COPY ./config/acl /mosquitto/config/

# Create entrypoint script
RUN echo '#!/bin/sh' > /docker-entrypoint.sh && \
    echo 'set -e' >> /docker-entrypoint.sh && \
    echo 'touch /mosquitto/data/passwd' >> /docker-entrypoint.sh && \
    echo 'mosquitto_passwd -b /mosquitto/data/passwd "${MQTT_USERNAME}" "${MQTT_PASSWORD}"' >> /docker-entrypoint.sh && \
    echo 'mosquitto_passwd -b /mosquitto/data/passwd "${NODE_RED_USERNAME}" "${NODE_RED_PASSWORD}"' >> /docker-entrypoint.sh && \
    echo 'chown -R mosquitto:mosquitto /mosquitto' >> /docker-entrypoint.sh && \
    echo 'chmod 600 /mosquitto/data/passwd' >> /docker-entrypoint.sh && \
    echo 'chmod 600 /mosquitto/config/acl' >> /docker-entrypoint.sh && \
    echo 'exec "$@"' >> /docker-entrypoint.sh && \
    chmod +x /docker-entrypoint.sh

# Set permissions
RUN chown -R mosquitto:mosquitto /mosquitto

EXPOSE 1883 8883

USER mosquitto

ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["/usr/sbin/mosquitto", "-c", "/mosquitto/config/mosquitto.conf"]