version: "3.8" services: app: environment: - CLOUDFLARE_EMAIL_FILE=/run/secrets/cloudflare_email - CLOUDFLARE_API_KEY_FILE=/run/secrets/cloudflare_api_key - LETS_ENCRYPT_DNS_CHALLENGE_ENABLED - LETS_ENCRYPT_DNS_CHALLENGE_PROVIDER secrets: - cloudflare_email - cloudflare_api_key secrets: cloudflare_email: name: ${STACK_NAME}_cloudflare_email_${SECRET_CLOUDFLARE_EMAIL_VERSION} external: true cloudflare_api_key: name: ${STACK_NAME}_cloudflare_api_key_${SECRET_CLOUDFLARE_API_KEY} external: true