Added sass build and Dockerfile.

Dockerfile

@@ -0,0 +1,45 @@
+FROM golang AS build
+RUN apt-get update && \
+	apt-get upgrade -y && \
+	apt-get install -y curl && \
+	curl -sL https://deb.nodesource.com/setup_12.x -o nodesource_setup.sh && bash nodesource_setup.sh && \
+	apt-get install -y nodejs
+WORKDIR /go/src/github.com/Kugelschieber/schnittfest
+ADD . .
+
+# build server
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags "-s -w" /go/src/github.com/Kugelschieber/schnittfest/main.go && \
+	mkdir /app && mv /go/src/github.com/Kugelschieber/schnittfest/main /app/server
+
+# compile CSS
+RUN cd /go/src/github.com/Kugelschieber/schnittfest/style && bash -c "npm i" && bash -c "npm rebuild node-sass" && bash -c "npm run style"
+
+# copy resources
+RUN mv /go/src/github.com/Kugelschieber/schnittfest/template /app/template && \
+    mv /go/src/github.com/Kugelschieber/schnittfest/static /app/static
+
+FROM alpine
+RUN apk update && \
+    apk upgrade && \
+    apk add --no-cache && \
+    apk add ca-certificates && \
+    rm -rf /var/cache/apk/*
+COPY --from=build /app /app
+WORKDIR /app
+
+RUN addgroup -S appuser && \
+    adduser -S -G appuser appuser && \
+    chown -R appuser:appuser /app
+USER appuser
+
+# default config
+ENV EMVI_WIKI_HOST=0.0.0.0:8080
+ENV EMVI_WIKI_LOGLEVEL=info
+ENV EMVI_WIKI_ALLOWED_ORIGINS=*
+ENV EMVI_WIKI_HTTP_WRITE_TIMEOUT=5
+ENV EMVI_WIKI_HTTP_READ_TIMEOUT=5
+ENV EMVI_WIKI_TEMPLATE_BASE=/template
+
+# run
+EXPOSE 8080
+ENTRYPOINT ["/app/server"]