FROM golang:1.26-alpine AS builder

WORKDIR /app
COPY dashboard-server.go .
RUN go build -ldflags="-s -w" -o server dashboard-server.go

FROM alpine:latest

RUN apk add --no-cache ca-certificates

COPY --from=builder /app/server /app/server
COPY index.html /tmp/index.html
COPY styles.css /app/static/styles.css
COPY dashboard.js /app/static/dashboard.js
COPY favicon.svg /app/static/favicon.svg
COPY favicon-dark.svg /app/static/favicon-dark.svg
COPY fonts/ /app/static/fonts/
COPY VERSION /tmp/VERSION
RUN VERSION=$(cat /tmp/VERSION) && \
    sed "s/?v=VERSION/?v=$VERSION/g" /tmp/index.html > /app/static/index.html

EXPOSE 8888

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
    CMD wget -qO- http://localhost:8888/health || exit 1

CMD ["/app/server"]