Dockerfile

# This file is part of REANA.
# Copyright (C) 2017, 2018, 2019, 2020 CERN.
#
# REANA is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.

# Install base image and its dependencies
FROM python:3.8-slim
# hadolint ignore=DL3008, DL3013, DL3015
RUN apt-get update && \
    apt-get install -y \
      gcc \
      git \
      vim-tiny && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists/* && \
    pip install --upgrade pip

# Install dependencies
COPY requirements.txt /code/
RUN pip install --no-cache-dir -r /code/requirements.txt

# Copy cluster component source code
WORKDIR /code
COPY . /code

# Are we debugging?
ARG DEBUG=0
RUN if [ "${DEBUG}" -gt 0 ]; then pip install -e ".[debug]"; else pip install .; fi;

# Are we building with locally-checked-out shared modules?
# hadolint ignore=SC2102
RUN if test -e modules/reana-commons; then pip install -e modules/reana-commons[kubernetes] --upgrade; fi
RUN if test -e modules/reana-db; then pip install -e modules/reana-db --upgrade; fi

# Check if there are broken requirements
RUN pip check

# Set useful environment variables
ARG UWSGI_PROCESSES=2
ARG UWSGI_THREADS=2
ENV FLASK_APP=reana_workflow_controller/app.py \
    PYTHONPATH=/workdir \
    TERM=xterm \
    UWSGI_PROCESSES=${UWSGI_PROCESSES:-2} \
    UWSGI_THREADS=${UWSGI_THREADS:-2}

# Expose ports to clients
EXPOSE 5000

# Run server
# hadolint ignore=DL3025
CMD uwsgi --module reana_workflow_controller.app:app \
    --http-socket 0.0.0.0:5000 --master \
    --processes ${UWSGI_PROCESSES} --threads ${UWSGI_THREADS} \
    --stats /tmp/stats.socket \
    --wsgi-disable-file-wrapper