* chore(dockerfile): update node image to lts-buster

update node image to lts-buster, because the alpine image cannot be obtained on arm/arm64,
it will support `docker buildx` build after the upgrade.
Signed-off-by: Nmritd <mritd@linux.com>

* chore(docker): update golang build image

update golang build image
Signed-off-by: Nmritd <mritd@linux.com>

* fix(db_driver): fix the panic when sqlite3 is used in the conf

fix the panic when sqlite3 is used in the conf

ref cloudreve/Cloudreve#550
Signed-off-by: Nmritd <mritd@linux.com>

* fix(nullpointer): fix possible null pointer error

fix possible null pointer error
Signed-off-by: Nmritd <mritd@linux.com>

* chore(docker): add dockerfile

add dockerfile
Signed-off-by: Nmritd <mritd@linux.com>

* chore(docker): fix docker file

fix docker file
Signed-off-by: Nmritd <mritd@linux.com>

* chore(docker): mv bin file to /cloudreve

mv bin file to /cloudreve
Signed-off-by: Nmritd <mritd@linux.com>

* chore(docker): remove GOPROXY

remove GOPROXY
Signed-off-by: Nmritd <mritd@linux.com>

* Update conf.go

* Update driver.go

* Update session.go

* Update defaults.go

* Update main.go

* Update conf.go

* Update defaults.go

* 添加亚马逊S3策略的支持

* 添加CDN支持，公有目录删除无用参数

* 增加Region