Update Dockerfile

Dockerfile

@@ -1,34 +1,58 @@
-# Stage 1: Build the frontend
-FROM node:18-alpine AS builder
-
-# Set the working directory
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Build React app
+FROM node:24-slim AS frontend-build
 WORKDIR /app/frontend
-
-# Copy package files and install dependencies
-COPY frontend/package.json frontend/package-lock.json ./
-RUN npm install
-
-# Copy the rest of the frontend code and build it
+# Upgrade npm to the desired version
+RUN npm install -g npm@11.4.x
 COPY frontend/ ./
+RUN npm install
 RUN npm run build
 
-# ---
-
-# Stage 2: Build the final Python image
-FROM python:3.9-slim
-
+# Python backend
+FROM python:3.10-slim
 WORKDIR /app
 
-# Copy Python dependency file and install dependencies
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# Install ffmpeg for audio conversion
+RUN apt-get update && apt-get install -y ffmpeg && rm -rf /var/lib/apt/lists/*
 
-# Copy the built frontend assets from the 'builder' stage
-COPY --from=builder /app/frontend/build ./static
-
-# Copy your backend application code
-COPY . .
+# Copy requirements.txt first for better caching
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Expose the port your app will run on and define the startup command
-EXPOSE 8000
-CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "app.main:app", "--bind", "0.0.0.0:8000"]
+# Copy Flask app
+COPY *.py ./
+COPY symptoms.json ./
+COPY report_template.txt ./
+
+# Copy built React app
+COPY --from=frontend-build /app/frontend/build ./frontend/build
+ENV FRONTEND_BUILD=/app/frontend/build
+
+# Create cache directory and set permissions, then assign the env variable
+RUN mkdir -p /cache && chmod 777 /cache
+ENV CACHE_DIR=/cache
+
+# If cache.zip exists, extract it into /cache
+COPY cache* /tmp/
+RUN if [ -f /tmp/cache_archive.zip ]; then \
+      apt-get update && apt-get install -y unzip && \
+      unzip /tmp/cache_archive.zip -d /cache && \
+      rm /tmp/cache_archive.zip && \
+      chmod -R 777 /cache; \
+    fi
+
+EXPOSE 7860
+CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app", "--threads", "4", "--timeout", "300"]