Build improvments (#179)

* Add a semantic version to the usage text

* Add a comment to the version function

* Inject the version, git tag and build date as build variables

* Update README

* Fix lint warnings

* Update README

* Manage dependencies with dep tool instead of godep

* Add a Makefile for common build tasks

* Update the build file to use the make tool

* Update Dockerfile

* Add docker entry point in to make the passing of arguments easy

* Update README

* Add missing tools to the build

* Drop 1.7 support and add 1.10

* Fix Go 1.10 according with the travis guidelines

https://docs.travis-ci.com/user/languages/go/

* Update the tls-observatory package

* Fix lint warnings

* Change the output of the tests to be more verbose

* Check if the are build errors before executing the rule test

Author: cosmincojocar

.travis.yml

@@ -1,25 +1,20 @@
 language: go
 
 go:
-  - 1.7
   - 1.8
   - 1.9
+  - "1.10"
   - tip
 
 install:
+  - go get -u github.com/golang/dep/cmd/dep
   - go get -u github.com/golang/lint/golint
-  - go get -v github.com/onsi/ginkgo/ginkgo
-  - go get -v github.com/onsi/gomega
-  - go get -v golang.org/x/crypto/ssh
-  - go get github.com/GoASTScanner/gas/cmd/gas/...
+  - go get -u github.com/onsi/ginkgo/ginkgo
+  - go get -u github.com/onsi/gomega
+  - go get -u golang.org/x/crypto/ssh
+  - go get -u github.com/GoASTScanner/gas/cmd/gas/...
   - go get -v -t ./...
   - export PATH=$PATH:$HOME/gopath/bin
 
-before_script:
-  - test -z "$(gofmt -s -l -w $(find . -type f -name '*.go' -not -path './vendor/*') | tee /dev/stderr)"
-  - test -z "$(golint . |  tee /dev/stderr)"
-  - go vet $(go list ./... | grep -v /vendor/)
-  - gas ./...
-
-script: ginkgo -r
+script: make test
 

Dockerfile

@@ -1,23 +1,8 @@
-# Docker version must be 17.05 or higher to allow multistage build
-# See build and run instructions in README.md
+FROM golang:1.9.4-alpine3.7
 
-# Builds Gas for utilization
-FROM golang:1.8.1-alpine as builder
-ENV workspace /go/src/github.com/GoASTScanner/gas
-ENV GOPATH /go
-COPY . $workspace
-WORKDIR $workspace
+ENV BIN=gas
 
-RUN go vet $(go list ./... | grep -v /vendor/)
-RUN CGO_ENABLED=0 go build -o gas .
+COPY build/*-linux-amd64 /go/bin/$BIN
+COPY docker-entrypoint.sh /usr/local/bin
 
-########################################################
-
-# Runs Gas on all Go files in the current directory when 
-# 'docker run' command in README is given
-FROM alpine:3.6
-
-COPY --from=builder /go/src/github.com/GoASTScanner/gas/gas /
-
-# Mounted directory should be placed into the workdir
-CMD /gas $(find . -path ./vendor -prune -o -type f -name "*.go")
+ENTRYPOINT ["docker-entrypoint.sh"]