Use uv in instrumentation quickstart (#402)

Author: aabmass

samples/instrumentation-quickstart/Dockerfile

@@ -1,6 +1,6 @@
-FROM python:3.12
+FROM python:3.12-slim
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 WORKDIR /usr/src/app
 COPY . .
-RUN python -m venv /venv && \
-    /venv/bin/pip install -r requirements.txt
-CMD /venv/bin/gunicorn -b 0.0.0.0:8080 -w 4 'app:app'  2>&1 | tee /var/log/app.log
+RUN uv sync --frozen
+CMD uv run gunicorn -b 0.0.0.0:8080 -w 4 'app:app'  2>&1 | tee /var/log/app.log

samples/instrumentation-quickstart/pyproject.toml

@@ -0,0 +1,18 @@
+[project]
+name = "instrumentation-quickstart"
+version = "0.1.0"
+description = "A Flask app instrumented with OpenTelemetry and structured logging for GCP"
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = [
+    "flask>=3.1.0",
+    "gunicorn>=23.0.0",
+    "opentelemetry-api>=1.29.0",
+    "opentelemetry-exporter-otlp-proto-http>=1.29.0",
+    "opentelemetry-instrumentation-flask>=0.50b0",
+    "opentelemetry-instrumentation-logging>=0.50b0",
+    "opentelemetry-instrumentation-requests>=0.50b0",
+    "opentelemetry-sdk>=1.29.0",
+    "python-json-logger>=3.2.0",
+    "requests>=2.32.3",
+]