FROM golang:1.26-alpine AS builder
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY ./app ./app/
COPY main.go .
RUN --mount=type=cache,target=/root/.cache/go-build --mount=type=cache,target=/go/pkg/mod go build -v -o api .

FROM alpine:3.23 AS runner
WORKDIR /app
COPY --from=builder /src/api /app/api
EXPOSE 8080
CMD ["/app/api"]
USER nobody