Add the Docker-in-Docker daemon #1938

Signed-off-by: Chin Yeung Li <tli@nexb.com>

Author: chinyeungli

Dockerfile

@@ -145,6 +145,7 @@ RUN apt-get update \
        libguestfs-tools \
        linux-image-amd64 \
        openjdk-17-jre-headless \
+       docker.io \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 

docker-compose.yml

@@ -31,13 +31,25 @@ services:
       timeout: 5s
       retries: 5
 
+  # Add the Docker-in-Docker daemon
+  dind:
+    image: docker.io/library/docker:dind
+    privileged: true
+    environment:
+      - DOCKER_TLS_CERTDIR=
+    volumes:
+      - dind_data:/var/lib/docker
+      - workspace:/var/scancodeio/workspace/
+
   web:
     build: .
     command: sh -c "
         ./manage.py migrate &&
         ./manage.py collectstatic --no-input --verbosity 0 --clear &&
         gunicorn scancodeio.wsgi:application --bind :8000 --timeout 600 \
           --workers ${GUNICORN_WORKERS:-8} --worker-tmp-dir /dev/shm"
+    environment:
+      - DOCKER_HOST=tcp://dind:2375  # Point to the DinD container
     env_file:
       - docker.env
     expose:
@@ -61,6 +73,8 @@ services:
         ./manage.py rqworker --worker-class scancodeio.worker.ScanCodeIOWorker
                              --queue-class scancodeio.worker.ScanCodeIOQueue
                              --verbosity 1"
+    environment:
+      - DOCKER_HOST=tcp://dind:2375  # Point to the DinD container
     env_file:
       - docker.env
     volumes:
@@ -75,6 +89,8 @@ services:
         condition: service_healthy
       web:
         condition: service_started
+      dind:
+        condition: service_started
 
   nginx:
     image: docker.io/library/nginx:1.31.4-alpine
@@ -104,3 +120,4 @@ volumes:
   static:
   workspace:
   webroot:
+  dind_data: