docker-compose.yaml

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

version: "3"

services:
  app:
    build: .
    environment:
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otelcol:4317
      - OTEL_SERVICE_NAME=otel-quickstart-spring-boot
      - OTEL_METRIC_EXPORT_INTERVAL=5000
      - OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION=BASE2_EXPONENTIAL_BUCKET_HISTOGRAM
    volumes:
      - logs:/var/log:rw
    ports:
      - 8080
    depends_on:
      - "otelcol"
  otelcol:
    image: otel/opentelemetry-collector-contrib:0.115.1
    volumes:
      - ./otel-collector-config.yaml:/etc/otelcol-contrib/config.yaml:ro
      - logs:/var/log:ro
    environment:
      - GOOGLE_CLOUD_PROJECT
      - GOOGLE_CLOUD_QUOTA_PROJECT
    ports:
      # Collector prometheus port. The metrics are checked in tests
      - 8888
  loadgen:
    image: golang:1.24
    command:
      [
        "go",
        "run",
        "github.com/rakyll/hey@latest",
        "-c=2",
        "-q=1",
        "-z=10m",
        "http://app:8080/multi",
      ]
    depends_on:
      - "app"
volumes:
  logs: