Build golang app with embedded python to docker scratch

Dockerfile

FROM golang:1-alpine as build
WORKDIR /app
RUN apk update && apk add --no-cache ca-certificates
COPY go.mod go.sum ./
RUN go mod download
COPY . .
WORKDIR /app/cmd/tkp
RUN CGO_ENABLED=0 GOOS=linux go build -o /app/tkp

FROM python:3.10 as integration
RUN apt-get update && \
    apt-get install -y build-essential patchelf
RUN pip3 install pyinstaller staticx
COPY thirdparty/tkp-integ /app
WORKDIR /app
RUN pip3 install -r requirements.txt
RUN pyinstaller -F tkp-integ.py
WORKDIR /app/dist
RUN staticx tkp-integ tkp-integration

FROM scratch
WORKDIR /app
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=integration --chown=65535:65535 /app/dist/tkp-integration /app/tkp-integ
COPY --from=build --chown=65535:65535 /app/tkp /app/tkp
USER 65535
EXPOSE 8080
CMD ["/app/tkp"]