Update Dockerfile

Dockerfile

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+FROM python:3.9-slim
+
+# Install Java (you can choose the JDK version that you need)
+RUN apt-get update && apt-get install -y \
+    openjdk-11-jdk \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set JAVA_HOME and PATH
+ENV JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64
+ENV PATH=$JAVA_HOME/bin:$PATH
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Expose port
+EXPOSE 8080
+
+# Start the Flask app
+CMD ["flask", "run", "--host", "0.0.0.0", "--port", "8080"]