Begin refactor + selective auth

Dockerfile

@@ -1,17 +1,19 @@
 FROM golang:1.10-alpine as builder
 
 # Setup
-RUN mkdir /app
-WORKDIR /app
+RUN mkdir -p /go/src/github.com/thomseddon/traefik-forward-auth
+WORKDIR /go/src/github.com/thomseddon/traefik-forward-auth
 
 # Add libraries
 RUN apk add --no-cache git && \
+  go get "github.com/BurntSushi/toml" && \
+  go get "github.com/gorilla/mux" && \
   go get "github.com/namsral/flag" && \
   go get "github.com/sirupsen/logrus" && \
   apk del git
 
 # Copy & build
-ADD . /app/
+ADD . /go/src/github.com/thomseddon/traefik-forward-auth/
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o /traefik-forward-auth .
 
 # Copy into scratch container