update Dockerfile for python

Dockerfile

@@ -1,13 +1,10 @@
 # syntax=docker/dockerfile:1
 
-FROM golang:latest AS build
+FROM python:3.12-alpine
+
 WORKDIR /app
 COPY . .
-RUN go mod download
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o ./reddit_notify
 
-FROM alpine:latest
-WORKDIR /app
-COPY --from=build /app/reddit_notify /app/reddit_notify
-RUN chmod +x ./reddit_notify
-CMD [ "./reddit_notify" ]
+RUN pip install -r requirements.txt
+
+ENTRYPOINT ["python", "main.py"]