Container build does not work when integration tests are removed

[josecelano]

I have opened an PR to show the problem.

If you remove integration tests (tests folder), the container build fails:

#39 [test_debug 6/8] RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/torrust-tracker /app/bin/torrust-tracker
#39 0.057 cp: cannot stat '/test/src/target/debug/torrust-tracker': No such file or directory
#39 ERROR: process "/bin/sh -c mkdir -p /app/bin/; cp -l /test/src/target/debug/torrust-tracker /app/bin/torrust-tracker" did not complete successfully: exit code: 1
------
 > [test_debug 6/8] RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/torrust-tracker /app/bin/torrust-tracker:
0.057 cp: cannot stat '/test/src/target/debug/torrust-tracker': No such file or directory
------
./Containerfile:74
--------------------
  72 |     RUN cargo nextest run --workspace-remap /test/src/ --target-dir-remap /test/src/target/ --cargo-metadata /test/src/target/nextest/cargo-metadata.json --binaries-metadata /test/src/target/nextest/binaries-metadata.json
  73 |     
  74 | >>> RUN mkdir -p /app/bin/; cp -l /test/src/target/debug/torrust-tracker /app/bin/torrust-tracker
  75 |     RUN mkdir /app/lib/; cp -l $(realpath $(ldd /app/bin/torrust-tracker | grep "libz\.so\.1" | awk '{print $3}')) /app/lib/libz.so.1
  76 |     RUN chown -R root:root /app; chmod -R u=rw,go=r,a+X /app; chmod -R a+x /app/bin
--------------------
ERROR: failed to solve: process "/bin/sh -c mkdir -p /app/bin/; cp -l /test/src/target/debug/torrust-tracker /app/bin/torrust-tracker" did not complete successfully: exit code: 1
Reference
Check build summary support

I have had this problem in this or other repo before but I don't remember the reason. I've just opened the issue to track and document the problem.

[josecelano]

I'm not going to waste time on this now, since I'm not planning to remove the integration tests. It's quite the opposite I would like to add some.