Dockerfile copy keep subdirectory structure

Question

I'm trying to copy a number of files and folders to a docker image build from my localhost.

The files are like this:

folder1     file1     file2 folder2     file1     file2 

I'm trying to make the copy like this:

COPY files/* /files/ 

However, all files are placed in /files/ is there a way in Docker to keep the subdirectory structure as well as copying the files into their directories?

Answer 1

Remove star from COPY, with this Dockerfile:

FROM ubuntu COPY files/ /files/ RUN ls -la /files/* 

Structure is there:

$ docker build . Sending build context to Docker daemon 5.632 kB Sending build context to Docker daemon  Step 0 : FROM ubuntu  ---> d0955f21bf24 Step 1 : COPY files/ /files/  ---> 5cc4ae8708a6 Removing intermediate container c6f7f7ec8ccf Step 2 : RUN ls -la /files/*  ---> Running in 08ab9a1e042f /files/folder1: total 8 drwxr-xr-x 2 root root 4096 May 13 16:04 . drwxr-xr-x 4 root root 4096 May 13 16:05 .. -rw-r--r-- 1 root root    0 May 13 16:04 file1 -rw-r--r-- 1 root root    0 May 13 16:04 file2  /files/folder2: total 8 drwxr-xr-x 2 root root 4096 May 13 16:04 . drwxr-xr-x 4 root root 4096 May 13 16:05 .. -rw-r--r-- 1 root root    0 May 13 16:04 file1 -rw-r--r-- 1 root root    0 May 13 16:04 file2  ---> 03ff0a5d0e4b Removing intermediate container 08ab9a1e042f Successfully built 03ff0a5d0e4b 

Answer 2

Alternatively you can use a "." instead of *, as this will take all the files in the working directory, include the folders and subfolders:

FROM ubuntu COPY . / RUN ls -la /