Errors from docker-compose up

[goodforever]

tidb-vision_1 | /go/src/github.com/mholt/caddy/vendor/github.com/xenolf/lego/acmev2/dns_challenge.go:40 +0x4d
tidb-docker-compose_tidb-vision_1 exited with code 2
tidb-vision_1 | panic: runtime error: slice bounds out of range
tidb-vision_1 |
tidb-vision_1 | goroutine 1 [running]:
tidb-vision_1 | github.com/mholt/caddy/vendor/github.com/miekg/dns.ClientConfigFromFile(0xb8a48e, 0x10, 0x0, 0x0, 0x0)
tidb-vision_1 | /go/src/github.com/mholt/caddy/vendor/github.com/miekg/dns/clientconfig.go:86 +0x9c4
tidb-vision_1 | github.com/mholt/caddy/vendor/github.com/xenolf/lego/acmev2.getNameservers(0xb8a48e, 0x10, 0xfa9000, 0x2, 0x2, 0xc0e080, 0xc4200962d0, 0xc42005ff58)
tidb-vision_1 | /go/src/github.com/mholt/caddy/vendor/github.com/xenolf/lego/acmev2/dns_challenge.go:40 +0x4d
tidb-vision_1 | panic: runtime error: slice bounds out of range