add package management (#30)

.gitignore

@@ -2,4 +2,5 @@ splunk-logging-plugin
 splunk-logging-plugin.tar.gz
 .idea/
 .DS_Store
-*.pyc
+*.pyc
+vendor/

Dockerfile

@@ -4,8 +4,10 @@ WORKDIR /go/src/github.com/splunk/splunk-logging-plugin/
 
 COPY . /go/src/github.com/splunk/splunk-logging-plugin/
 
+# install dep
+RUN curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
 
-RUN cd /go/src/github.com/splunk/splunk-logging-plugin && go get
+RUN cd /go/src/github.com/splunk/splunk-logging-plugin && dep ensure
 
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /bin/splunk-logging-plugin .
 

Gopkg.toml

@@ -0,0 +1,54 @@
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# 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/Sirupsen/logrus"
+  version = "1.0.5"
+
+[[constraint]]
+  name = "github.com/docker/docker"
+  version = "17.3.0-ce"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/docker/go-plugins-helpers"
+
+[[constraint]]
+  name = "github.com/gogo/protobuf"
+  version = "1.0.0"
+
+[[constraint]]
+  name = "github.com/pkg/errors"
+  version = "0.8.0"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/tonistiigi/fifo"
+
+[prune]
+  go-tests = true
+  unused-packages = true