FROM golang:1.23-bookworm AS base

# /build is the working directory
WORKDIR /build

# Copy control files and pull in dependencies
COPY code/go.mod .
RUN go mod download

ENV port=8089
# Copy the rest of the source code into the container
COPY code/* .

# Build the app

RUN go build -o fibonacci

EXPOSE ${port}

CMD ["build/fibonacci"]