# syntax=docker/dockerfile:1
FROM --platform=$BUILDPLATFORM golang:alpine AS build
ARG TARGETOS
ARG TARGETARCH
ENV CGO_ENABLED=0 \
    GOOS=$TARGETOS \
    GOARCH=$TARGETARCH

WORKDIR /app
COPY go.mod go.sum /app/
RUN go mod download && go mod verify

COPY . .
RUN go build -o server .

FROM alpine
RUN apk add --no-cache tzdata
WORKDIR /app
COPY --from=build /app/server /app/server

COPY /static /app/static
ENTRYPOINT ["./server"]