fix: Dockerfile uses explicit pip install, skip pre-installed packages

Removed librosa (unused), torch, pyyaml from install list since
they're in the base image. Avoid numpy rebuild conflict.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

kischdle/llmux/Dockerfile

@@ -6,12 +6,20 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Python dependencies
-COPY requirements.txt /tmp/requirements.txt
-RUN pip install --no-cache-dir --break-system-packages -r /tmp/requirements.txt && rm /tmp/requirements.txt
+# Install Python dependencies (torch, numpy, pyyaml already in base image)
+RUN pip install --no-cache-dir --break-system-packages \
+    "fastapi>=0.115.0" \
+    "uvicorn[standard]>=0.34.0" \
+    "python-multipart>=0.0.18" \
+    "transformers>=5.4.0" \
+    "chatterbox-tts>=0.1.0" \
+    "soundfile>=0.12.0" \
+    "sentencepiece>=0.2.0" \
+    "protobuf>=5.0.0"
 
-# llama-cpp-python needs CUDA build
-RUN CMAKE_ARGS="-DGGML_CUDA=on" pip install --no-cache-dir --break-system-packages --force-reinstall llama-cpp-python>=0.3.0
+# llama-cpp-python needs separate CUDA build
+RUN CMAKE_ARGS="-DGGML_CUDA=on" pip install --no-cache-dir --break-system-packages \
+    "llama-cpp-python>=0.3.0"
 
 # Copy application code
 COPY llmux/ /app/llmux/

kischdle/llmux/requirements.txt

@@ -3,22 +3,18 @@ fastapi>=0.115.0
 uvicorn[standard]>=0.34.0
 python-multipart>=0.0.18
 
-# AI runtimes
-torch>=2.7.0
+# AI runtimes (torch pre-installed in base image)
 transformers>=5.4.0
-llama-cpp-python>=0.3.0
 chatterbox-tts>=0.1.0
 
 # Audio processing
 soundfile>=0.12.0
-librosa>=0.10.0
 
-# Config & utilities
-pyyaml>=6.0
+# Config & utilities (pyyaml pre-installed in base image)
 sentencepiece>=0.2.0
 protobuf>=5.0.0
 
-# Testing
+# Testing (only needed for development)
 pytest>=8.0.0
 pytest-asyncio>=0.24.0
 httpx>=0.28.0