FROM golang:alpine AS builder WORKDIR /build COPY go.mod go.sum ./ RUN go mod download COPY . . RUN go build -o trackncore . FROM alpine:latest RUN apk --no-cache add ca-certificates WORKDIR /app/ COPY --from=builder /build/trackncore . COPY --from=builder /build/data . COPY --from=builder /build/index.html . EXPOSE 3000 CMD ["./trackncore"]