Added docker maintainer and minor refinement (#19)

.dockerignore

@@ -0,0 +1,3 @@
+*
+!docker
+!bin

Dockerfile

@@ -1,4 +1,6 @@
 FROM alpine:edge
+MAINTAINER Thomas Boerger <thomas@webhippie.de>
+
 EXPOSE 8000
 
 RUN apk update && \

Dockerfile.rpi

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+FROM hypriot/rpi-alpine-scratch:edge
+MAINTAINER Thomas Boerger <thomas@webhippie.de>
+
+EXPOSE 8000
+
+RUN apk update && \
+  apk add \
+    ca-certificates \
+    sqlite && \
+  rm -rf \
+    /var/cache/apk/*
+
+ENV DATABASE_DRIVER=sqlite3
+ENV DATABASE_DATASOURCE=/var/lib/lgtm/lgtm.sqlite
+ENV GODEBUG=netdns=go
+
+ENTRYPOINT ["/usr/bin/lgtm"]
+CMD ["server"]
+
+ADD bin/lgtm /usr/bin/