name: tera-observability-demo services: mailpit: image: axllent/mailpit:v1.27.4 restart: "no" ports: - "${DEMO_BIND_ADDRESS:-127.0.0.1}:1025:1025/tcp" - "127.0.0.1:8025:8025/tcp" environment: MP_DATABASE: /data/mailpit.db volumes: - mail-data:/data syslog: build: ./syslog restart: "no" ports: - "${DEMO_BIND_ADDRESS:-127.0.0.1}:1514:514/udp" - "${DEMO_BIND_ADDRESS:-127.0.0.1}:1514:514/tcp" volumes: - syslog-data:/var/log/tera volumes: mail-data: syslog-data: