internal/worker, etc.: use same binary directory for sandbox

Simplify the code by using the same directory for binaries both
inside and outside the sandbox.

We choose /tmp/binaries as that directory. We put it in /tmp rather
than at the root because we want non-superusers to be able to run the
worker on their local machines, and they can't create directories at
the filesystem root.

We add a bind mount to config.json.commented in order to make the
sandbox's /tmp/binaries directory refer to the one outside the sanbox.

We also rearrange the Dockerfile slightly to improve caching.

Change-Id: I8e2c4bcd37029a816472fcbac976a3158acdb209
Reviewed-on: https://go-review.googlesource.com/c/pkgsite-metrics/+/476195
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Zvonimir Pavlinovic <zpavlinovic@google.com>
5 files changed
tree: cac66d6bdd398f1c1f39fe216df032422f0cd360
  1. cmd/
  2. deploy/
  3. devtools/
  4. internal/
  5. terraform/
  6. .dockerignore
  7. .gitignore
  8. all_test.go
  9. checks.bash
  10. config.json.commented
  11. CONTRIBUTING.md
  12. go.mod
  13. go.sum
  14. LICENSE
  15. Makefile
  16. PATENTS
  17. README.md
  18. tools.go
  19. tools_test.go
README.md

pkgsite-metrics

This repository contains code that serves pkg.go.dev/metrics.

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