move service deployment related server side logic from cli

.codeclimate.yml

@@ -14,3 +14,8 @@ plugins:
     enabled: true
   govet:
     enabled: true
+
+checks:
+  return-statements:
+    config:
+      threshold: 6

Dockerfile

@@ -1,13 +1,16 @@
 FROM golang:1.10.3-stretch AS build
 WORKDIR src/github.com/mesg-foundation/core
 COPY . .
-
 ARG version
 RUN go build -o mesg-core \
       -ldflags="-X 'github.com/mesg-foundation/core/version.Version=$version'" \
       core/main.go
 
 FROM ubuntu:18.04
+RUN apt-get update && \
+      apt-get install -y --no-install-recommends ca-certificates=20180409 && \
+      apt-get clean && \
+      rm -rf /var/lib/apt/lists/*
 WORKDIR /app
 COPY --from=build /go/src/github.com/mesg-foundation/core/mesg-core .
 CMD ["./mesg-core"]

Gopkg.toml

@@ -36,10 +36,6 @@
   branch = "master"
   name = "github.com/asaskevich/govalidator"
 
-[[constraint]]
-  branch = "master"
-  name = "github.com/briandowns/spinner"
-
 [[constraint]]
   branch = "master"
   name = "github.com/cnf/structhash"
@@ -68,10 +64,6 @@
   branch = "master"
   name = "github.com/spf13/viper"
 
-[[constraint]]
-  branch = "master"
-  name = "github.com/stvp/assert"
-
 [[constraint]]
   branch = "master"
   name = "github.com/syndtr/goleveldb"