# Build image FROM golang:1.21.3 AS build WORKDIR /build # Configure known hosts RUN mkdir -p /root/.ssh && ssh-keyscan github.com >> /root/.ssh/known_hosts # Copy source COPY go.mod go.sum main.go ./ # Install dependencies and build RUN go install RUN go build -o short-url-service # Distribution image FROM debian:12 # Copy binary and set as command COPY --from=build /build/short-url-service /usr/local/bin/short-url-service CMD ["short-url-service"]