Add build scripts and dep mgmt

Author: clareliguori

.dockerignore

@@ -0,0 +1,12 @@
+.git
+bin
+output
+img2lambda
+vendor
+AUTHORS.md
+CONTRIBUTING.md
+LICENSE
+NOTICE
+README.md
+Dockerfile
+Makefile

.gitignore

@@ -11,6 +11,6 @@
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
+bin/
 vendor/
-
-output/
+output/

Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.11 AS builder
+
+# Install dep
+RUN curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+
+WORKDIR $GOPATH/src/github.com/awslabs/img2lambda
+
+# Ensure deps, optimized for build caching
+COPY Gopkg.toml Gopkg.lock ./
+RUN dep ensure --vendor-only
+
+# Copy and build the code
+COPY . ./
+RUN go build -o /bin/img2lambda -tags="containers_image_ostree_stub exclude_graphdriver_devicemapper exclude_graphdriver_overlay exclude_graphdriver_btrfs containers_image_openpgp" .
+
+FROM busybox:glibc
+COPY --from=builder /bin/img2lambda /bin/img2lambda
+RUN /bin/img2lambda --help
+CMD [ "/bin/img2lambda" ]