FROM golang:1.24.1-alpine AS builder WORKDIR /app # Copy go mod and sum files COPY go.mod go.sum ./ # Download all dependencies RUN go mod download # Copy the source code COPY . . # Build the application RUN CGO_ENABLED=0 GOOS=linux go build -o amb-relay . # Start a new stage from scratch FROM alpine:latest WORKDIR /root/ # Install netcat for health checking RUN apk add --no-cache netcat-openbsd # Copy the binary from the builder stage COPY --from=builder /app/amb-relay . COPY .env ./ # Expose port 3334 EXPOSE 3334 # Command to run the executable CMD ["./amb-relay"]