How to install tool internally with non-root user Dockerfile

Dockerfile

FROM mcr.microsoft.com/dotnet/sdk:6.0.300-bullseye-slim

ENV EF_VERSION=7.0.0
ENV user dotnetuser
ENV PATH=/opt/bin:${PATH}

RUN dotnet tool install dotnet-ef --tool-path /opt/bin --version ${EF_VERSION}

WORKDIR /src

COPY ["./YourApplicationFolder", "."]

RUN adduser --disabled-password \
  --home /src \
  --gecos '' ${user} && chown -R ${user} /src

HEALTHCHECK NONE
USER ${user}