Move tcheck to go.mod, get rid of glide dependency

Dockerfile

@@ -6,23 +6,10 @@ ARG GOPROXY
 # Build tcheck binary
 FROM golang:1.13.6-alpine AS tcheck
 
-RUN apk add --update --no-cache ca-certificates git curl
-
-ENV GO111MODULE=off
-
-RUN curl https://glide.sh/get | sh
-
-ENV TCHECK_VERSION=v1.1.0
-
-RUN go get -d github.com/uber/tcheck
-RUN cd /go/src/github.com/uber/tcheck && git checkout ${TCHECK_VERSION}
-
 WORKDIR /go/src/github.com/uber/tcheck
 
-RUN glide install
-
-RUN go install
-
+COPY go.* ./
+RUN go build -mod=readonly -o /go/bin/tcheck github.com/uber/tcheck
 
 # Build Cadence binaries
 FROM golang:1.13.6-alpine AS builder

cmd/server/tools.go

@@ -42,4 +42,7 @@ import (
 	_ "github.com/mgechev/revive"
 	// coverage reporting
 	_ "github.com/dmetzgar/goveralls"
+
+	// health check for docker containers
+	_ "github.com/uber/tcheck"
 )

go.mod

@@ -51,6 +51,7 @@ require (
 	github.com/uber-go/tally v3.3.15+incompatible
 	github.com/uber/ringpop-go v0.8.5
 	github.com/uber/tchannel-go v1.16.0
+	github.com/uber/tcheck v1.1.0
 	github.com/urfave/cli v1.22.4
 	github.com/valyala/fastjson v1.4.1
 	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c

go.sum

@@ -403,6 +403,8 @@ github.com/uber/ringpop-go v0.8.5/go.mod h1:zVI6eGO6L7pG14GkntHsSOfmUAWQ7B4lvmzl
 github.com/uber/tchannel-go v1.14.0/go.mod h1:Rrgz1eL8kMjW/nEzZos0t+Heq0O4LhnUJVA32OvWKHo=
 github.com/uber/tchannel-go v1.16.0 h1:B7dirDs15/vJJYDeoHpv3xaEUjuRZ38Rvt1qq9g7pSo=
 github.com/uber/tchannel-go v1.16.0/go.mod h1:Rrgz1eL8kMjW/nEzZos0t+Heq0O4LhnUJVA32OvWKHo=
+github.com/uber/tcheck v1.1.0 h1:Sf5jbtsSg03DZNe8vECLPtFCflAJVg/IYwIxyM9qL/o=
+github.com/uber/tcheck v1.1.0/go.mod h1:ytWRjtMoI4Rb/0aZxYeLQHhGyv3uxJk8UR39lq5RqNc=
 github.com/urfave/cli v1.22.4 h1:u7tSpNPPswAFymm8IehJhy4uJMlUuU/GmqSkvJ1InXA=
 github.com/urfave/cli v1.22.4/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/valyala/fastjson v1.4.1 h1:hrltpHpIpkaxll8QltMU8c3QZ5+qIiCL8yKqPFJI/yE=