Update Dockerfile

Dockerfile

@@ -1,52 +1,49 @@
+# Use a minimal Python image
 FROM python:3.9-slim-buster
 
 # Create a new user and set permissions
 RUN useradd -m -u 1000 user
 
-# Install required system packages using apt-get
-RUN apt-get update && apt-get install -y \
+# Install required system packages and clean up in a single layer to reduce image size
+RUN apt-get update && apt-get install -y --no-install-recommends \
     curl \
     python3-pip \
     build-essential \
     libssl-dev \
     libffi-dev \
     cargo \
-    python3-pypdf2 \
+    python3-opencv \
+    ffmpeg \
+    libsm6 \
+    libxext6 \
+    cmake \
+    git \
+    wget \
+    unzip \
+    yasm \
+    pkg-config \
+    libswscale-dev \
+    libtbb2 \
+    libtbb-dev \
+    libjpeg-dev \
+    libpng-dev \
+    libtiff-dev \
+    libopenjp2-7-dev \
+    libavformat-dev \
+    libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
+# Set the OpenCV version environment variable
 ENV OPENCV_VERSION="4.10.0"
 
-RUN apt-get update && apt-get install -y python3-opencv
-RUN apt-get update && apt-get install ffmpeg libsm6 libxext6  -y
-
-RUN apt-get -qq install -y --no-install-recommends \
-        build-essential \
-        cmake \
-        git \
-        wget \
-        unzip \
-        yasm \
-        pkg-config \
-        libswscale-dev \
-        libtbb2 \
-        libtbb-dev \
-        libjpeg-dev \
-        libpng-dev \
-        libtiff-dev \
-        libopenjp2-7-dev \
-        libavformat-dev \
-        libpq-dev 
-
-
-
-COPY ./requirements.txt .
-RUN pip install --no-cache -r requirements.txt
-
 # Set the working directory
 WORKDIR /app
 
+# Copy the requirements and install dependencies
+COPY ./requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy the application code to the working directory
+# Copy the application code to the working directory with the correct permissions
 COPY --chown=user . /app
 
 # Expose the port the app runs on