FROM golang:latest AS build WORKDIR /app/ COPY go.mod go.sum ./ RUN go mod download COPY . . RUN go build -ldflags "-s -w" main.go FROM debian:unstable-slim RUN apt-get update && apt-get install -y --no-install-recommends \ ca-certificates \ && rm -rf /var/lib/apt/lists/* WORKDIR /app/ COPY --from=build /app/main /app/instances-api EXPOSE 3000 CMD ./instances-api