Update Dockerfile

Dockerfile

@@ -5,19 +5,19 @@ FROM python:3.9-slim
 WORKDIR /app
 
 # 1. Install System Dependencies
-# We need 'wget' and 'make' to install unrar, or just wget to download precompiled
+# We need 'wget' to download unrar
 RUN apt-get update && apt-get install -y \
     wget \
     && rm -rf /var/lib/apt/lists/*
 
 # 2. Install Official Unrar (Required for rarfile library to work correctly)
-# Downloading pre-compiled binary for Linux x64
-RUN wget https://www.rarlab.com/rar/rarlinux-x64-6.2.3.tar.gz && \
-    tar -zxvf rarlinux-x64-6.2.3.tar.gz && \
+# Downloading 'rarlinux-x64.tar.gz' ensures we get the latest version and avoids 404 errors on old versions
+RUN wget https://www.rarlab.com/rar/rarlinux-x64-720b3.tar.gz && \
+    tar -zxvf rarlinux-x64.tar.gz && \
     cp rar/unrar /usr/bin/unrar && \
     cp rar/rar /usr/bin/rar && \
     chmod 755 /usr/bin/unrar && \
-    rm -rf rar rarlinux-x64-6.2.3.tar.gz
+    rm -rf rar rarlinux-x64-720b3.tar.gz
 
 # 3. Copy Requirements
 COPY requirements.txt .