FROM golang:1.23-alpine AS builder

WORKDIR /app

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o server

FROM alpine:3.18
RUN mkdir -p /tmp && chmod 1777 /tmp

COPY --from=builder /app/server /server
COPY static /static
ENTRYPOINT [ "/server" ]