# Build stage
FROM golang:1.21-alpine AS builder

WORKDIR /app
COPY . .

RUN go mod init whatsapp-sender
RUN go mod tidy
RUN go build -o whatsapp-sender .

# Runtime stage
FROM alpine:latest

WORKDIR /app
COPY --from=builder /app/whatsapp-sender .
COPY --from=builder /app/public ./public

EXPOSE 8080

CMD ["./whatsapp-sender"]