Merge pull request #654 from LordChunk/master

Improved Docker image size

Dockerfile

@@ -5,19 +5,34 @@ COPY ./static/package*.json /code/static/
 RUN cd /code/static && npm install
 
 # Main image
-FROM python:3.7
+FROM python:3.7-slim
 
-# install poetry, "pip3 install poetry==1.1.5" doesn't work
-# poetry will be available at /root/.poetry/bin/poetry
-RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
+# Keeps Python from generating .pyc files in the container
+ENV PYTHONDONTWRITEBYTECODE 1
+# Turns off buffering for easier container logging
+ENV PYTHONUNBUFFERED 1
+
+# Add poetry to PATH
+ENV PATH="${PATH}:/root/.poetry/bin"
 
 WORKDIR /code
 
-# install dependencies
+# Copy poetry files
 COPY poetry.lock pyproject.toml ./
 
-RUN /root/.poetry/bin/poetry config virtualenvs.create false \
-  && /root/.poetry/bin/poetry install --no-root
+# Install and setup poetry
+RUN pip install -U pip \
+    && apt-get update \
+    && apt install -y curl netcat gcc python3-dev \
+    && curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python - \
+    # Remove curl and netcat from the image
+    && apt-get purge -y curl netcat \
+    # Run poetry
+    && poetry config virtualenvs.create false \
+    && poetry install  --no-interaction --no-ansi --no-root \
+    # Clear apt cache
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
 
 # copy npm packages
 COPY --from=npm /code /code