fix: remover emojis do Dockerfile para evitar warning de Unicode

- Substituir 1️⃣, 2️⃣, etc por 1., 2., etc
- Evita falsos positivos de caracteres invisíveis no Gitea

Dockerfile

@@ -14,10 +14,10 @@
 #   • A tiny wrapper entrypoint that runs `litellm --config /app/config.yaml`
 # ---------------------------------------------------------------
 
-# 1️⃣  Use the official LiteLLM image (based on python:3.12‑slim)
+# 1. Use the official LiteLLM image (based on python:3.12-slim)
 FROM litellm/litellm:latest AS base
 
-# 2️⃣  Set environment variables that control the router
+# 2. Set environment variables that control the router
 ENV \
   # Port the proxy will expose (match docker‑compose)
   PORT=4000 \
@@ -28,16 +28,16 @@ ENV \
   TOOL_ROUTER_ALWAYS_INCLUDE=get_time,help,list_tools \
   TOOL_ROUTER_EMBEDDING_MODEL=text-embedding-3-small
 
-# 3️⃣  Create a non‑root user (optional but recommended)
+# 3. Create a non-root user (optional but recommended)
 RUN useradd -m litellm && \
     mkdir -p /app && \
     chown litellm:litellm /app
 
-# 4️⃣  Switch to that user for the rest of the steps
+# 4. Switch to that user for the rest of the steps
 USER litellm
 WORKDIR /app
 
-# 5️⃣  Copy only the files that belong to the Tool Router
+# 5. Copy only the files that belong to the Tool Router
 #    (keeps the image lean – we don’t copy .git, docs, etc.)
 COPY --chown=litellm:litellm \
     tool_router_logger.py \
@@ -46,18 +46,18 @@ COPY --chown=litellm:litellm \
     requirements.txt \
     ./
 
-# 6️⃣  Install the extra Python deps that the router needs:
+# 6. Install the extra Python deps that the router needs:
 #       – numpy   (for cosine similarity)
 #       – scikit‑learn (for the Jaccard fallback)
 RUN pip install --no-cache-dir -r requirements.txt
 
-# 7️⃣  Expose the port used by LiteLLM
+# 7. Expose the port used by LiteLLM
 EXPOSE 4000
 
-# 8️⃣  Healthcheck – LiteLLM returns a JSON “health” endpoint
+# 8. Healthcheck - LiteLLM returns a JSON "health" endpoint
 HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
   CMD curl -fsS "http://127.0.0.1:${PORT}/health" || exit 1
 
-# 9️⃣  Default command – run the proxy with our config file
+# 9. Default command - run the proxy with our config file
 #     The official image’s entrypoint is preserved, we just pass the config.
 CMD ["sh", "-c", "litellm --config /app/config.yaml --port ${PORT} --host 0.0.0.0"]