From 6ae6978d68623653ef235f3f07ed78985d2e8711 Mon Sep 17 00:00:00 2001
From: unroll3677 <qbfivm6i@mailer.me>
Date: Tue, 15 Jul 2025 15:22:17 +0200
Subject: [PATCH] Update Dockerfile

---
 Dockerfile | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 324712f..db6c00b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,22 @@
-# Use an appropriate base image with Python pre-installed
-FROM alpine:3.18
+# Step 1: Use an official, slim Python image as a base
+# 'slim' is a good balance between size and functionality.
+FROM python:3.11-slim
 
 # Set the working directory inside the container
 WORKDIR /app
 
-# Copy the entire current directory into the container at /app
-COPY . /app
+# Step 2: Copy only the requirements file
+# This makes optimal use of Docker's layer caching.
+COPY requirements.txt .
 
-# Install any Python dependencies
+# Step 3: Install the dependencies
+# The --no-cache-dir option keeps the image smaller.
+RUN pip install --no-cache-dir -r requirements.txt
 
-RUN apk add python3
-RUN apk add py3-pip
-RUN pip install -r requirements.txt
+# Step 4: Now, copy the rest of the application code
+# Because the code changes more often than the dependencies, this step is placed later.
+COPY . .
 
-# Run Python script
-CMD ["python", "main.py"]
+# Step 5: Execute the correct Python script
+# Note the correct filename.
+CMD ["python3", "masto-rss.py"]