[recommendationservice] - base image, licensing and diagram update

.dockerignore

@@ -1,6 +1,9 @@
 .github
 docs
 internal
+src/*/README.md
+src/*/Dockerfile
+src/*/*/Dockerfile
 
 ###################################
 # currencyservice

CHANGELOG.md

@@ -198,5 +198,7 @@ significant modifications will be credited to OpenTelemetry Authors.
 ([#691](https://github.com/open-telemetry/opentelemetry-demo/pull/691))
 * Fix payment service version to support temporality environment variable
 ([#693](https://github.com/open-telemetry/opentelemetry-demo/pull/693))
+* Update recommendationservice python base image and dependencies
+([#700](https://github.com/open-telemetry/opentelemetry-demo/pull/700))
 * Reduce spans generated from quote service
 ([#702](https://github.com/open-telemetry/opentelemetry-demo/pull/702))

docs/current_architecture.md

@@ -40,7 +40,7 @@ checkoutservice --->|gRPC| currencyservice
 checkoutservice --->|HTTP| emailservice
 checkoutservice --->|gRPC| paymentservice
 checkoutservice -->|gRPC| shippingservice
-checkoutservice -->|TCP| queue
+checkoutservice ---->|TCP| queue
 
 frontend -->|gRPC| adservice
 frontend -->|gRPC| cartservice
@@ -54,6 +54,8 @@ frauddetectionservice -->|TCP| queue
 
 productcatalogservice -->|gRPC| featureflagservice
 
+recommendationservice -->|gRPC| featureflagservice
+
 shippingservice -->|gRPC| featureflagservice
 
 featureflagservice --> featureflagstore

src/recommendationservice/Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2020 Google LLC
+# Copyright The OpenTelemetry Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,21 +12,42 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM python:3.10
+FROM python:3.10-slim-bullseye as base
 
-WORKDIR /usr/src/app/
+#
+# Fetch requirements
+#
+FROM base as builder
+RUN apt-get -qq update \
+    && apt-get install -y --no-install-recommends g++ \
+    && rm -rf /var/lib/apt/lists/*
 
-COPY ./src/recommendationservice/ ./
-COPY ./pb/ ./proto/
+WORKDIR /usr/src/app/
+COPY ./src/recommendationservice/requirements.txt ./
 
 RUN pip install --upgrade pip
-RUN pip install -r ./requirements.txt
+RUN pip install --prefix="/reqs" -r requirements.txt
 
-RUN opentelemetry-bootstrap -a install
+#
+# Build gRPC files
+#
+FROM base as grpc-builder
+WORKDIR /usr/src/app/
+COPY ./pb/ ./proto/
 
-# add files into working directory
 RUN python -m pip install grpcio-tools==1.48.2
 RUN python -m grpc_tools.protoc -I=./proto/ --python_out=./ --grpc_python_out=./ ./proto/demo.proto
 
+#
+# Runtime
+#
+FROM base as runtime
+WORKDIR /usr/src/app/
+COPY --from=builder /reqs /usr/local
+COPY --from=grpc-builder /usr/src/app/ .
+COPY ./src/recommendationservice/ ./
+
+RUN opentelemetry-bootstrap -a install
+
 EXPOSE ${RECOMMENDATION_SERVICE_PORT}
 ENTRYPOINT [ "opentelemetry-instrument", "python", "recommendation_server.py" ]

src/recommendationservice/logger.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #
-# Copyright 2018 Google LLC
+# Copyright The OpenTelemetry Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/recommendationservice/recommendation_server.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #
-# Copyright 2018 Google LLC
+# Copyright The OpenTelemetry Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/recommendationservice/requirements.txt

@@ -1,8 +1,7 @@
-google-api-core==2.4.0
 grpcio-health-checking==1.43.0
 grpcio==1.43.0
-opentelemetry-distro==0.34b0
-opentelemetry-exporter-otlp-proto-grpc==1.13.0
+opentelemetry-distro==0.36b0
+opentelemetry-exporter-otlp-proto-grpc==1.15.0
 python-dotenv==0.21.0
 python-json-logger==2.0.4
-psutil==5.9.2 # Importing this will also import opentelemetry-instrumentation-system-metrics when running opentelemetry-bootstrap
+psutil==5.9.2 # Importing this will also import opentelemetry-instrumentation-system-metrics when running opentelemetry-bootstrap