# Base image FROM alpine:latest # Install OpenSSH client RUN apk add openssh # Test the SSH agents during the build RUN echo -n "default: " >> /result.log RUN --mount=type=ssh ssh-add -L >> /result.log RUN echo -n "id1: " >> /result.log RUN --mount=type=ssh,id=id1 ssh-add -L >> /result.log RUN echo -n "id2: " >> /result.log RUN --mount=type=ssh,id=id2 ssh-add -L >> /result.log