FROM golang:1.22-alpine AS builder

WORKDIR /app

RUN apk add --no-cache git ca-certificates

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

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /bot .

FROM alpine:3.20

RUN apk add --no-cache ca-certificates tzdata \
    && adduser -D -H -u 10001 bot

WORKDIR /app

COPY --from=builder /bot /app/bot

USER bot

ENTRYPOINT ["/app/bot"]