Add hosting guide

Dockerfile

@@ -0,0 +1,8 @@
+FROM python:3-alpine
+
+WORKDIR /utils
+COPY . .
+RUN pip install --no-cache-dir -r requirements-prod.txt
+
+ENTRYPOINT [ "gunicorn", "-w", "4", "app.app", "--bind", "0.0.0.0:8000" ]
+

README.md

@@ -1,3 +1,17 @@
 # utils
 
-Flask app with a few utilities 
+Flask app with a few utilities.
+
+## Hosting
+
+Hosting this is easy:
+
+- Clone the repo
+```
+git clone https://git.everypizza.im/n/utils.git
+```
+- Modify the port in `compose.yml` if needed
+- Start the container:
+```
+podman compose up -d
+```

compose.yml

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+services:
+  utils:
+    build:
+      dockerfile: Dockerfile
+    ports:
+      - "65193:8000" # Will listen on port 65193, change that number to change the port
+    restart: unless-stopped
+    volumes:
+      - ./utils:/utils

requirements-prod.txt

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+flask
+bleach
+gunicorn

requirements.txt

@@ -1,2 +1,2 @@
 flask
-bleach
+bleach