Update Dockerfile

Dockerfile

@@ -1,75 +1,81 @@
-FROM python:3.11-slim
-
-# Install essential packages with no-install-recommends to minimize size
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        # Basic system tools
-        gcc \
-        g++ \
-        make \
-        git \
-        wget \
-        curl \
-        procps \
-        # Java runtime - using OpenJDK 17 headless
-        openjdk-17-jre-headless \
-        openjdk-17-jdk-headless \
-    && rm -rf /var/lib/apt/lists/* \
-    && apt-get clean
-
-# Set JAVA_HOME and optimize JVM for containers
+# Use Ubuntu as base image for better compatibility
+FROM ubuntu:22.04
+
+# Prevent interactive prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Update and install essential packages
+RUN apt-get update && apt-get install -y \
+    # Python 3.11 and pip
+    software-properties-common \
+    python3.11 \
+    python3.11-dev \
+    python3-pip \
+    python3.11-venv \
+    # C/C++ compilers and tools
+    build-essential \
+    gcc \
+    g++ \
+    make \
+    # Java 17 (full JDK)
+    openjdk-17-jdk \
+    # Version control and utilities
+    git \
+    curl \
+    wget \
+    vim \
+    # Process monitoring
+    procps \
+    htop \
+    # Clean up
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set Python 3.11 as default python3
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 \
+    && update-alternatives --set python3 /usr/bin/python3.11
+
+# Set JAVA_HOME
 ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
 ENV PATH="$JAVA_HOME/bin:$PATH"
 
-# Create app directory first
+# Create app directory
 WORKDIR /app
 
-# Create non-root user with proper ulimits
-RUN useradd -m -u 1000 user && \
-    chown -R user:user /app && \
-    # Set ulimits for the user to prevent Java memory allocation issues
-    echo "user soft nofile 65536" >> /etc/security/limits.conf && \
-    echo "user hard nofile 65536" >> /etc/security/limits.conf && \
-    echo "user soft nproc 32768" >> /etc/security/limits.conf && \
-    echo "user hard nproc 32768" >> /etc/security/limits.conf && \
-    echo "user soft memlock unlimited" >> /etc/security/limits.conf && \
-    echo "user hard memlock unlimited" >> /etc/security/limits.conf && \
-    echo "user soft stack 8192" >> /etc/security/limits.conf && \
-    echo "user hard stack 8192" >> /etc/security/limits.conf
-
-# Create a startup script to set ulimits
-RUN echo '#!/bin/bash\n\
-ulimit -n 65536\n\
-ulimit -u 32768\n\
-ulimit -m unlimited\n\
-ulimit -s 8192\n\
-ulimit -v unlimited\n\
-exec "$@"' > /entrypoint.sh && \
-    chmod +x /entrypoint.sh
+# Create non-root user
+RUN useradd -m -u 1000 -s /bin/bash user && \
+    chown -R user:user /app
 
-# Verify installations
-RUN python3 --version && \
-    gcc --version && \
-    g++ --version && \
-    java -version && \
-    javac -version
+# Give user permissions to create temp directories
+RUN mkdir -p /tmp/code_workspace && \
+    chown -R user:user /tmp/code_workspace && \
+    chmod 755 /tmp/code_workspace
 
 # Switch to non-root user
 USER user
+
+# Set user paths
 ENV PATH="/home/user/.local/bin:$PATH"
+ENV PYTHONPATH="/app:$PYTHONPATH"
 
-# Copy requirements first (better layer caching)
-COPY --chown=user:user ./requirements.txt requirements.txt
+# Copy requirements first (for better caching)
+COPY --chown=user:user requirements.txt .
 
 # Install Python dependencies
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir --upgrade -r requirements.txt
+RUN pip3 install --no-cache-dir --upgrade pip && \
+    pip3 install --no-cache-dir -r requirements.txt
 
-# Copy application code
-COPY --chown=user:user . /app
+# Copy application files
+COPY --chown=user:user . .
 
-# Create temporary directory for code execution
-RUN mkdir -p /tmp/code_workspace && chmod 755 /tmp/code_workspace
+# Verify installations
+RUN echo "=== Version Check ===" && \
+    python3 --version && \
+    pip3 --version && \
+    java -version && \
+    javac -version && \
+    gcc --version && \
+    g++ --version
 
 # Expose port
 EXPOSE 7860
@@ -78,6 +84,5 @@ EXPOSE 7860
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
     CMD curl -f http://localhost:7860/health || exit 1
 
-# Start command with explicit memory settings for uvicorn
-ENTRYPOINT ["/entrypoint.sh"]
-CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# Start the application
+CMD ["python3", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]