Issue description

apisix

lua: /usr/bin/apisix:83: module 'tinyyaml' not found:
no field package.preload['tinyyaml']
no file '/usr/local/apisix/deps/share/lua/5.1/tinyyaml.lua'
no file './tinyyaml.lua'
no file '/usr/share/lua/5.1/tinyyaml.lua'
no file '/usr/share/lua/5.1/tinyyaml/init.lua'
no file '/usr/lib64/lua/5.1/tinyyaml.lua'
no file '/usr/lib64/lua/5.1/tinyyaml/init.lua'
no file '/usr/local/apisix/deps/lib64/lua/5.1/tinyyaml.so'
no file '/usr/local/apisix/deps/lib/lua/5.1/tinyyaml.so'
no file './tinyyaml.so'
no file '/usr/lib64/lua/5.1/tinyyaml.so'
no file '/usr/lib64/lua/5.1/loadall.so'
stack traceback:
[C]: in function 'require'
/usr/bin/apisix:83: in main chunk
[C]: ?

Environment

• apisix version : 1.4
• OS: CentOS Linux release 7.5.1804 (Core)
• luarocks: 3.3.1
• openresty: openresty/1.17.8.2

What's the expected result?

when i add cp -r deps /usr/local/apisix/ into Makefile and run make install again , it works!