.docker/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# Start Dash and run in background
+echo "Starting Dash app..."
+poetry run gunicorn app:server -b 0.0.0.0:8000

Dockerfile

@@ -0,0 +1,45 @@
+ARG PYTHON_VERSION_TAG=3.12
+ARG PYTHON_VARIANT_TAG=slim
+
+# Use official Python image as base
+# ${PYTHON_VARIANT_TAG:+-${PYTHON_VARIANT_TAG}} is a conditional expansion
+# that adds a dash before the variant tag if it is not empty
+FROM python:${PYTHON_VERSION_TAG}${PYTHON_VARIANT_TAG:+-${PYTHON_VARIANT_TAG}}
+
+# Set up poetry environment
+ARG POETRY_VERSION=1.8.3
+
+ENV POETRY_HOME=/opt/poetry
+ENV POETRY_VENV=/opt/poetry-venv
+ENV POETRY_CACHE_DIR=/opt/.cache
+
+# Install poetry separated from system interpreter
+RUN python3 -m venv $POETRY_VENV \
+	&& $POETRY_VENV/bin/pip install -U pip setuptools \
+	&& $POETRY_VENV/bin/pip install poetry==${POETRY_VERSION}
+
+# Add `poetry` to PATH
+ENV PATH="${POETRY_VENV}/bin:${PATH}"
+
+RUN poetry config virtualenvs.in-project true
+
+# Export in first position so that "python" calls are from .venv
+ENV PATH="/app/.venv/bin:${PATH}"
+ENV PYTHONPATH="/app/:${PYTHONPATH}"
+
+COPY pyproject.toml .
+COPY poetry.lock .
+COPY app/ app/
+
+RUN poetry install --no-interaction --no-dev
+
+COPY ./.docker/entrypoint.sh /app/entrypoint.sh
+RUN chmod +x /app/entrypoint.sh
+
+WORKDIR /app
+
+
+EXPOSE 80
+EXPOSE 8000
+
+ENTRYPOINT ["./entrypoint.sh"]

app/app.py

@@ -0,0 +1,10 @@
+from dash import Dash, html
+
+app = Dash()
+
+app.layout = [html.Div(children="Hello World")]
+
+server = app.server
+
+if __name__ == "__main__":
+    app.run(debug=True)

poetry.lock

@@ -401,6 +401,27 @@ python-dateutil = ">=2.8.1"
 [package.extras]
 dev = ["flake8", "markdown", "twine", "wheel"]
 
+[[package]]
+name = "gunicorn"
+version = "23.0.0"
+description = "WSGI HTTP Server for UNIX"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "gunicorn-23.0.0-py3-none-any.whl", hash = "sha256:ec400d38950de4dfd418cff8328b2c8faed0edb0d517d3394e457c317908ca4d"},
+    {file = "gunicorn-23.0.0.tar.gz", hash = "sha256:f014447a0101dc57e294f6c18ca6b40227a4c90e9bdb586042628030cba004ec"},
+]
+
+[package.dependencies]
+packaging = "*"
+
+[package.extras]
+eventlet = ["eventlet (>=0.24.1,!=0.36.0)"]
+gevent = ["gevent (>=1.4.0)"]
+setproctitle = ["setproctitle"]
+testing = ["coverage", "eventlet", "gevent", "pytest", "pytest-cov"]
+tornado = ["tornado (>=0.2)"]
+
 [[package]]
 name = "identify"
 version = "2.6.0"
@@ -1577,4 +1598,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "c0d0425486e160e85f7ee57c17e73f63d433313ccf6c980197258518427ae125"
+content-hash = "1ace87aaeab8e9964d3f2e843eb5a0d15c1506bb0d1871dc41a9a38f5ed3a352"

pyproject.toml

@@ -31,6 +31,7 @@ wrap-summaries = 100
 python = "^3.10"
 plotly = "^5.23.0"
 dash = "^2.17.1"
+gunicorn = "^23.0.0"
 
 [tool.poetry.group.docs.dependencies]
 mkdocs = "^1.6.0"