Update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM node:20-slim
 
-# Instalar dependências
+# Instalar dependências em paralelo
 RUN apt-get update && apt-get install -y \
     wget \
     unzip \
@@ -10,27 +10,30 @@ RUN apt-get update && apt-get install -y \
 
 WORKDIR /app
 
-COPY . .
+COPY package*.json ./
+RUN npm ci --only=production
 
-RUN npm init -y && \
-    npm install express cors @xenova/transformers
+COPY . .
 
-# Baixar Piper completo (com todas as bibliotecas)
-RUN mkdir -p textToSpeech && \
-    wget -O piper.tar.gz https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz && \
+# Download paralelo do Piper e modelo
+RUN mkdir -p textToSpeech/pt_BR && \
+    # Download Piper em background
+    (wget -O piper.tar.gz https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz &) && \
+    # Download modelo em paralelo
+    (wget -O textToSpeech/pt_BR/pt_BR-faber-medium.onnx https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/pt/pt_BR/faber/medium/pt_BR-faber-medium.onnx &) && \
+    (wget -O textToSpeech/pt_BR/pt_BR-faber-medium.onnx.json https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/pt/pt_BR/faber/medium/pt_BR-faber-medium.onnx.json &) && \
+    wait && \
+    # Extrair Piper
     tar -xzf piper.tar.gz && \
     cp -r piper/* textToSpeech/ && \
     chmod +x textToSpeech/piper && \
     rm -rf piper piper.tar.gz
 
-# Baixar modelo português  
-RUN mkdir -p textToSpeech/pt_BR && \
-    wget -O textToSpeech/pt_BR/pt_BR-faber-medium.onnx https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/pt/pt_BR/faber/medium/pt_BR-faber-medium.onnx && \
-    wget -O textToSpeech/pt_BR/pt_BR-faber-medium.onnx.json https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/pt/pt_BR/faber/medium/pt_BR-faber-medium.onnx.json
-
-# Definir LD_LIBRARY_PATH para encontrar as bibliotecas
+# Otimizações de performance
 ENV LD_LIBRARY_PATH=/app/textToSpeech/lib:$LD_LIBRARY_PATH
+ENV NODE_ENV=production
+ENV UV_THREADPOOL_SIZE=16
 
 EXPOSE 7860
 
-CMD ["node", "index.js"]
+CMD ["node", "--max-old-space-size=512", "index.js"]