Log extra environment information (#95)

* Make metrics tests use a host port

* fix port forwarding in devconfig tests

* Log extra environment information at startup

vendor/github.com/genuinetools/amicontained/Dockerfile

@@ -0,0 +1,32 @@
+FROM golang:alpine as builder
+MAINTAINER Jessica Frazelle <jess@linux.com>
+
+ENV PATH /go/bin:/usr/local/go/bin:$PATH
+ENV GOPATH /go
+
+RUN	apk add --no-cache \
+	ca-certificates
+
+COPY . /go/src/github.com/genuinetools/amicontained
+
+RUN set -x \
+	&& apk add --no-cache --virtual .build-deps \
+		git \
+		gcc \
+		libc-dev \
+		libgcc \
+		make \
+	&& cd /go/src/github.com/genuinetools/amicontained \
+	&& make static \
+	&& mv amicontained /usr/bin/amicontained \
+	&& apk del .build-deps \
+	&& rm -rf /go \
+	&& echo "Build complete."
+
+FROM scratch
+
+COPY --from=builder /usr/bin/amicontained /usr/bin/amicontained
+COPY --from=builder /etc/ssl/certs/ /etc/ssl/certs
+
+ENTRYPOINT [ "amicontained" ]
+CMD [ "--help" ]