FROM golang:alpine AS builder WORKDIR /app COPY go.mod go.sum ./ RUN go mod download COPY . . RUN go build -o retro_aim_server ./cmd/server FROM alpine:latest WORKDIR /app COPY --from=builder /app/retro_aim_server /app/ EXPOSE 8080 5190 5191 5192 5193 5194 5195 5196 5197 CMD ["/app/retro_aim_server"]