FROM alpine:latest as builder

# Hugo versions
ENV HUGO_VERSION 0.88.1
ENV HUGO_BINARY hugo_${HUGO_VERSION}_linux-64bit

# Install pygments for code highlighting
RUN apk update && apk add py-pygments && apk add bash && rm -rf /var/cache/apk/*

# Install Hugo
RUN mkdir /usr/local/hugo
ADD https://github.com/spf13/hugo/releases/download/v${HUGO_VERSION}/${HUGO_BINARY}.tar.gz /usr/local/hugo/
RUN tar xzf /usr/local/hugo/${HUGO_BINARY}.tar.gz -C /usr/local/hugo/ \
	&& ln -s /usr/local/hugo/hugo /usr/local/bin/hugo \
	&& rm /usr/local/hugo/${HUGO_BINARY}.tar.gz

# Copy hugo site
WORKDIR /app
COPY site/ /app

# Build site
RUN hugo --minify --enableGitInfo --gc -d /app/build


# Create the webserver
FROM nginx:latest

# Copy built files
COPY --from=builder /app/build /usr/share/nginx/html
EXPOSE 80