sec: add production server

Dockerfile

@@ -1,14 +1,23 @@
-FROM python:3.11-slim
+FROM node:18-alpine as sass
 
-RUN apt-get update && apt-get install -y curl && \
+RUN NODE_OPTIONS=--dns-result-order=ipv4first npm install -g sass
-    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+WORKDIR /build
-    apt-get install -y nodejs && \
+COPY ./static/style ./style
-    NODE_OPTIONS=--dns-result-order=ipv4first npm install -g sass && \
+RUN sass ./style:./style \
-    apt-get clean && rm -rf /var/lib/apt/lists/*
+    --no-source-map \
+    --style=compressed
+
+
+FROM python:3.11-slim
 
 WORKDIR /app
 
 COPY . .
+COPY --from=sass /build/style/ ./static/style/
+
 RUN pip install --no-cache-dir -r requirements.txt
 
-CMD flask run --host 0.0.0.0
+ENV FLASK_ENV=production
+ENV PYTHONUNBUFFERED=1
+
+CMD ["gunicorn", "app:app", "-b", "0.0.0.0:80", "--workers", "4"]

app.py

@@ -2,7 +2,9 @@ from os import system as console
 from flask import Flask, render_template
 
 app = Flask(__name__)
-console("sass static/style/main.scss static/style/main.css")
+
+if app.debug:
+    console("sass static/style/main.scss static/style/main.css")
 
 @app.route("/")
 def index():

requirements.txt

@@ -1 +1,3 @@
 Flask==3.1.1
+gunicorn
+