From 065c831cdecefa517a0208ae765a047f28aef896 Mon Sep 17 00:00:00 2001
From: Tobias Quadfasel <tobias.loesche@studium.uni-hamburg.de>
Date: Thu, 29 Aug 2024 16:28:21 +0200
Subject: [PATCH 1/3] feat(base-app): Add base dash app file

This commit adds a file that contains a standard 'Hello World'
example of a plotly dash app.
---
 app/app.py | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 app/app.py

diff --git a/app/app.py b/app/app.py
new file mode 100644
index 0000000..b758c56
--- /dev/null
+++ b/app/app.py
@@ -0,0 +1,8 @@
+from dash import Dash, html
+
+app = Dash()
+
+app.layout = [html.Div(children="Hello World")]
+
+if __name__ == "__main__":
+    app.run(debug=True)
-- 
2.49.1


From 25aeb62951c70d8f3ec8cc6324c8e9e67973669a Mon Sep 17 00:00:00 2001
From: Tobias Quadfasel <tobias.loesche@studium.uni-hamburg.de>
Date: Thu, 29 Aug 2024 17:34:04 +0200
Subject: [PATCH 2/3] feat(base-app): Add gunicorn to dependencies

---
 app/app.py     |  2 ++
 poetry.lock    | 23 ++++++++++++++++++++++-
 pyproject.toml |  1 +
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/app/app.py b/app/app.py
index b758c56..a83c9fc 100644
--- a/app/app.py
+++ b/app/app.py
@@ -4,5 +4,7 @@ app = Dash()
 
 app.layout = [html.Div(children="Hello World")]
 
+server = app.server
+
 if __name__ == "__main__":
     app.run(debug=True)
diff --git a/poetry.lock b/poetry.lock
index 42afb00..481b420 100644
--- a/poetry.lock
+++ b/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"
diff --git a/pyproject.toml b/pyproject.toml
index ff83d4f..8d6ecb6 100644
--- a/pyproject.toml
+++ b/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"
-- 
2.49.1


From 5a5f41246d4f41f3ded634ff3fc92df554f4df1c Mon Sep 17 00:00:00 2001
From: Tobias Quadfasel <tobias.loesche@studium.uni-hamburg.de>
Date: Thu, 29 Aug 2024 17:35:14 +0200
Subject: [PATCH 3/3] feat(base-app): Add docker setup

Adding a dockerfile as well as an `entrypoint.sh` file for deployment
using `gunicorn`.
---
 .docker/entrypoint.sh |  5 +++++
 Dockerfile            | 45 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 .docker/entrypoint.sh
 create mode 100644 Dockerfile

diff --git a/.docker/entrypoint.sh b/.docker/entrypoint.sh
new file mode 100644
index 0000000..210c1fe
--- /dev/null
+++ b/.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
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1b4dcf2
--- /dev/null
+++ b/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"]
-- 
2.49.1