New build system (#9)

.gitignore

@@ -1 +1,3 @@
+.idea
+vendor/
 /whoami

Dockerfile

@@ -1,5 +1,12 @@
+FROM golang:1.10 as builder
+WORKDIR /go/src/github.com/containous/whoami
+COPY . .
+RUN go get -u github.com/golang/dep/cmd/dep
+RUN make dependencies
+RUN make build
+
 # Create a minimal container to run a Golang static binary
 FROM scratch
-COPY whoami /
+COPY --from=builder /go/src/github.com/containous/whoami/whoami .
 ENTRYPOINT ["/whoami"]
 EXPOSE 80

Gopkg.lock

@@ -0,0 +1,15 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "github.com/gorilla/websocket"
+  packages = ["."]
+  revision = "ea4d1f681babbce9545c9c5f3d5194a789c89f5b"
+  version = "v1.2.0"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "941e8dbe52e16e8a7dff4068b7ba53ae69a5748b29fbf2bcb5df3a063ac52261"
+  solver-name = "gps-cdcl"
+  solver-version = 1

Gopkg.toml

@@ -0,0 +1,35 @@
+# Gopkg.toml example
+#
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[[constraint]]
+  name = "github.com/gorilla/websocket"
+  version = "1.2.0"
+
+[prune]
+  non-go = true
+  go-tests = true
+  unused-packages = true

Makefile

@@ -0,0 +1,12 @@
+.PHONY: default build dependencies image
+
+default: build
+
+build:
+	CGO_ENABLED=0 go build -a --installsuffix cgo --ldflags="-s" -o whoami
+
+dependencies:
+	dep ensure -v
+
+image:
+	docker build -t containous/whoami .

build.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-CGO_ENABLED=0 go build -a --installsuffix cgo --ldflags="-s" -o whoami
-docker build -t containous/whoami .