MINIFICPP-1365 Use minimal docker image for integration tests

Signed-off-by: Arpad Boda <aboda@apache.org>

This closes #907
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e281fef..71e3216 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -272,7 +272,7 @@
       - id: checkout
         uses: actions/checkout@v2
       - id: build
-        run: ./bootstrap.sh -e -t && cd build  && cmake -DUSE_SHARED_LIBS= -DSTRICT_GSL_CHECKS=AUDIT .. && make docker
+        run: ./bootstrap.sh -e -t && cd build  && cmake -DUSE_SHARED_LIBS= -DSTRICT_GSL_CHECKS=AUDIT .. && make docker-minimal
       - id: install_deps
         run: sudo apt install -y python3-virtualenv
       - id: test
diff --git a/docker/test/integration/minifi/__init__.py b/docker/test/integration/minifi/__init__.py
index 876ca21..67bfe62 100644
--- a/docker/test/integration/minifi/__init__.py
+++ b/docker/test/integration/minifi/__init__.py
@@ -117,7 +117,7 @@
                 RUN chown minificpp:minificpp {minifi_root}/conf/config.yml
                 USER minificpp
                 """.format(name=name,hostname=name,
-                           base_image='apacheminificpp:' + self.minifi_version,
+                           base_image='apacheminificpp:minimal-' + self.minifi_version,
                            minifi_root=self.minifi_root))
 
         test_flow_yaml = minifi_flow_yaml(flow)