# use a minimal base image  
FROM golang:1.21 AS builder  

# set the working directory in the container  
WORKDIR /app  

# copy the go project files  
COPY . .  

# build the go server  
RUN go mod tidy && go build -o server  

# create a smaller final image  
FROM alpine:latest  

WORKDIR /root/  

# copy the built binary from the builder stage  
COPY --from=builder /app/server .  

# expose the port (match your go server's listening port)  
EXPOSE 61594  

# run the go server  
CMD ["./server"]