add demo for s3

demos/samples_python/talk_to_s3/docker-compose.yaml

@@ -0,0 +1,29 @@
+services:
+  chatbot_ui:
+    build:
+      context: ../../shared/chatbot_ui
+    ports:
+      - "18080:8080"
+    environment:
+      # this is only because we are running the sample app in the same docker container environment as archgw
+      - CHAT_COMPLETION_ENDPOINT=http://host.docker.internal:10000/v1
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    volumes:
+      - ./arch_config.yaml:/app/arch_config.yaml
+
+  jaeger:
+    build:
+      context: ../../shared/jaeger
+    ports:
+      - "16686:16686"
+      - "4317:4317"
+      - "4318:4318"
+
+  sigv4_proxy:
+    image: public.ecr.aws/aws-observability/aws-sigv4-proxy:latest
+    ports:
+      - "8090:8080"
+    environment:
+      - AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID:?error}
+      - AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY:?error}