Merge pull request #73 from keptn-contrib/release-0.4.0

Release 0.4.0

.gitignore

@@ -9,4 +9,7 @@ deploy/scripts/creds_dt.json
 deploy/scripts/*creds*.json
 creds_dt.json
 
-vendor/*
+vendor/*
+
+# GoLand IDE
+.idea

.travis.yml

@@ -1,6 +1,11 @@
 sudo: true
 dist: xenial
 language: go
+go:
+  - 1.12.x
+env:
+  global:
+    - GO111MODULE=on
 services:
 - docker
 before_install:
@@ -16,10 +21,6 @@ before_install:
 - ./writeManifest.sh
 - cat MANIFEST
 
-install:
-- go get -u github.com/golang/dep/cmd/dep
-- dep ensure
-
 jobs:
   include:
   - stage: feature/bug

Dockerfile

@@ -2,21 +2,32 @@
 # This is based on Debian and sets the GOPATH to /go.
 # https://hub.docker.com/_/golang
 FROM golang:1.12 as builder
+ARG version=develop
 
-# Copy local code to the container image.
 WORKDIR /go/src/github.com/keptn/dynatrace-service
-COPY . .
 
-ARG DEP_VERSION=0.5.3
-RUN curl -L -s https://github.com/golang/dep/releases/download/v$DEP_VERSION/dep-linux-amd64 -o ./dep && \
-  chmod +x ./dep && \
-  ./dep ensure
+# Force the go compiler to use modules 
+ENV GO111MODULE=on
+ENV BUILDFLAGS=""
+
+# Copy `go.mod` for definitions and `go.sum` to invalidate the next layer
+# in case of a change in the dependencies
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download 
 
+ARG debugBuild
+
+# set buildflags for debug build
+RUN if [ ! -z "$debugBuild" ]; then export BUILDFLAGS='-gcflags "all=-N -l"'; fi  
+
+# Copy local code to the container image.
+COPY . .
 
 # Build the command inside the container.
-# (You may fetch or manage dependencies here,
-# either manually or with a tool like "godep".)
-RUN CGO_ENABLED=0 GOOS=linux go build -v -o dynatrace-service
+# (You may fetch or manage dependencies here, either manually or with a tool like "godep".)
+RUN CGO_ENABLED=0 GOOS=linux go build $BUILDFLAGS -v -o dynatrace-service
 
 # Use a Docker multi-stage build to create a lean production image.
 # https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds