version: "3.4" services: webapp: build: context: webapp environment: - PUBLIC_REGISTRATION=true backend: build: context: backend environment: - SMTP_HOST=mailserver - SMTP_PORT=25 - SMTP_IGNORE_TLS=true - PUBLIC_REGISTRATION=true mailserver: image: djfarrelly/maildev ports: - 1080:80 networks: - hc-network networks: hc-network: