A corrected and slightly refined version

[olegmosso]

Download Go dependencies

FROM golang:1.21-alpine3.19 AS base

WORKDIR /src
COPY ./bridge-history-api/go.* ./
RUN go mod download -x

Build db_cli

FROM base AS builder

WORKDIR /src/bridge-history-api/cmd/db_cli
RUN --mount=type=cache,target=/root/.cache/go-build
go build -v -p 4 -o /bin/db_cli

Pull db_cli into a second stage deploy alpine container

FROM alpine:latest
COPY --from=builder /bin/db_cli /bin/db_cli
WORKDIR /app
ENTRYPOINT ["/bin/db_cli"]