docs(deployment): Update working directory in builder stage (#22478)
docs(deployment): Update working directory in builder stage (#22478)

Update docker file example in deploy documentation to use correct working directory in builder stage. It will fail to copy files from that stage since it's attempting to copy files that don't exist.
flybayer/next.js,azukaru/next.js,flybayer/next.js,JeromeFitz/next.js,JeromeFitz/next.js,zeit/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,JeromeFitz/next.js,zeit/next.js,zeit/next.js,JeromeFitz/next.js,azukaru/next.js