Fix issue 3155 by running scancode-reindex-licenses subcommand instead of using --reindex-licenses flag

Dockerfile

@@ -37,9 +37,10 @@ WORKDIR /scancode-toolkit
 # Copy sources into docker container
 COPY . /scancode-toolkit
 
-# Run scancode once for initial configuration, with 
-# --reindex-licenses to create the base license index
-RUN ./scancode --reindex-licenses
+# Initial configuration using ./configure, scancode-reindex-licenses to build
+# the base license index
+RUN ./configure \
+ && ./venv/bin/scancode-reindex-licenses
 
 # Add scancode to path
 ENV PATH=/scancode-toolkit:$PATH

azure-pipelines.yml

@@ -7,6 +7,28 @@
 
 jobs:
 
+
+################################################################################
+# Tests building with docker
+################################################################################
+
+
+- job: test_build_and_run_with_docker
+  steps:
+    - task: Docker@2
+      displayName: Check that building and running using Docker succeeds
+      inputs:
+        command: 'build'
+        Dockerfile: '**/Dockerfile'
+        tags: |
+          'scancode-toolkit'
+          'scancode-toolkit:$(Build.BuildId)'
+    - script: |
+        docker run -v $PWD/:/project scancode-toolkit -clipeu \
+          --json-pp /project/scan-result.json /project/apache-2.0.LICENSE
+      displayName: 'Test run'
+
+
 ################################################################################
 # These jobs are using VMs and Azure-provided Pythons 3.8
 ################################################################################