From 61bbc1238850b8b052e3cc5743990682e7d66fbf Mon Sep 17 00:00:00 2001
From: Abiodun Sotunde <abiodun.sotunde@moneymeets.com>
Date: Mon, 20 Nov 2023 11:29:55 +0100
Subject: [PATCH] feat(docker): add docker file for production ready image

---
 .dockerignore            |  2 ++
 .github/workflows/ci.yml | 17 ++++++++++++
 Dockerfile               | 58 ++++++++++++++++++++++++++++++++++++++++
 docker-gunicorn.conf.py  | 11 ++++++++
 4 files changed, 88 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile
 create mode 100644 docker-gunicorn.conf.py

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..969b765
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+.tmp
+*.sqlite3
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e77ffce..251725a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,3 +12,20 @@ jobs:
       - uses: moneymeets/action-setup-python-poetry@master
 
       - uses: moneymeets/moneymeets-composite-actions/lint-python@master
+
+  build-image:
+    runs-on: ubuntu-22.04
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: moneymeets/moneymeets-composite-actions/detect-python-version@master
+        id: 'detect-versions'
+
+      - name: Build image
+        run: |
+          docker build \
+            --build-arg PYTHON_VERSION_CONSTRAINT="${{ steps.detect-versions.outputs.python-version-constraint }}" \
+            --build-arg POETRY_VERSION="${{ steps.detect-versions.outputs.poetry-version }}" \
+            -t sepacetamol-ci .
+#          TODO: share image tag when pushing part is implemented
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..f39765c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,58 @@
+ARG PYTHON_VERSION_CONSTRAINT
+FROM python:${PYTHON_VERSION_CONSTRAINT}-slim-bookworm as python-base
+
+LABEL maintainer="moneymeets GmbH <admin@moneymeets.com>"
+
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    APP_PATH="/opt/app" \
+    POETRY_HOME="/opt/poetry" \
+    POETRY_NO_INTERACTION=1 \
+    POETRY_VIRTUALENVS_IN_PROJECT=true \
+    VENV_PATH="/opt/app/.venv"
+
+ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
+
+ARG POETRY_VERSION
+FROM python-base as builder-deps
+
+RUN apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt install -y curl git  \
+    && apt-get install -y --no-install-recommends build-essential \
+    && curl -sSL https://install.python-poetry.org | python - --yes --version=${POETRY_VERSION} \
+    && apt remove -y --purge curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY .git/ ./.git/
+
+RUN git archive -v -o app.tar.gz --format=tar.gz HEAD
+
+WORKDIR $APP_PATH
+
+ADD poetry.lock pyproject.toml ./
+
+RUN --mount=type=cache,target=/root/.cache \
+    poetry install --without dev
+
+
+FROM python-base as prod
+
+RUN apt update \
+    && DEBIAN_FRONTEND=noninteractive apt install -y curl \
+    && rm -rf /var/lib/apt/lists/*
+
+
+# Copy Python dependencies from the previous build stage
+COPY --from=builder-deps $APP_PATH $APP_PATH
+
+RUN useradd -m appuser -d $APP_PATH && chown appuser:appuser -R $APP_PATH
+
+USER appuser
+
+WORKDIR $APP_PATH
+
+COPY --from=builder-deps app.tar.gz $APP_PATH
+
+RUN tar -xvf app.tar.gz && rm -rf app.tar.gz
+
+ENTRYPOINT [ "bash", "-c", "gunicorn -c ./docker-gunicorn.conf.py" ]
diff --git a/docker-gunicorn.conf.py b/docker-gunicorn.conf.py
new file mode 100644
index 0000000..380cfbe
--- /dev/null
+++ b/docker-gunicorn.conf.py
@@ -0,0 +1,11 @@
+bind = "0.0.0.0:8000"
+worker = 2
+threads = 4
+keepalive = 5
+wsgi_app = "config.wsgi"
+loglevel = "debug"
+access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" "%(M)s"'
+errorlog = "-"  # log to stderr
+accesslog = "-"  # log to stdout
+# Enable inheritance for stdio file descriptors in daemon mode, allows to stream more logs to stdout
+enable_stdio_inheritance = True