Update Dockerfile

Dockerfile

@@ -1,33 +1,34 @@
-# Use Python 3.9 as base
+# Use Python 3.10
 FROM python:3.10-slim
 
-# 1. Install Java (Updated to OpenJDK 21 as per error log)
+# 1. Install Java 21 (Required for LanguageTool) and Build Tools
 RUN apt-get update && \
-    apt-get install -y openjdk-21-jre-headless && \
-    apt-get clean;
+    apt-get install -y \
+    openjdk-21-jre-headless \
+    build-essential \
+    python3-dev \
+    gcc \
+    && apt-get clean
 
-# Set Java Home environment variable (Updated to Java 21 path)
-ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
+# Set Java Home
+ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64
 
 # 2. Set working directory
 WORKDIR /app
 
-# 3. Copy requirements and install
-# We use the --no-cache-dir flag to keep the image smaller
+# 3. SET WRITABLE CACHE FOLDERS (Fixes Runtime Error)
+ENV XDG_CACHE_HOME=/app/cache
+ENV TRANSFORMERS_CACHE=/app/cache
+ENV HF_HOME=/app/cache
+RUN mkdir -p /app/cache && chmod 777 /app/cache
+
+# 4. Install dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip && \
     pip install --no-cache-dir -r requirements.txt
 
-# 4. Create a cache directory for Transformers to avoid permission errors
-RUN mkdir -p /app/cache && chmod 777 /app/cache
-ENV TRANSFORMERS_CACHE=/app/cache
-ENV HF_HOME=/app/cache
-
-# 5. Copy the rest of the application
+# 5. Copy app
 COPY . .
 
-# 6. Expose the port
-EXPOSE 7860
-
-# 7. Command to run the app (Using app:app as you renamed the file)
+# 6. Run app
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]