diff --git a/docker/Dockerfile b/docker/Dockerfile
index 8da67cb20e2..fc61f525914 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -72,6 +72,7 @@ ENV GID=${GID}
 ARG USER
 ENV USER=${USER}
 ARG HOME
+ENV HOME=${HOME}
 
 RUN addgroup --quiet --gid ${GID} ${USER} && \
     adduser --quiet --gid ${GID} --uid ${UID} --home ${HOME} ${USER} --disabled-password --gecos ""
@@ -132,6 +133,7 @@ COPY --chown=${UID}:${GID} ./ ${HOME}
 COPY --chown=${UID}:${GID} ./docker/entrypoint.sh /usr/local/bin/entrypoint.sh
 
 ENTRYPOINT [ "entrypoint.sh", "test" ]
+CMD [ "cargo", "test" ]
 
 # This stage builds the zebrad release binary.
 #
@@ -191,6 +193,7 @@ ENV GID=${GID}
 ARG USER
 ENV USER=${USER}
 ARG HOME
+ENV HOME=${HOME}
 
 RUN addgroup --quiet --gid ${GID} ${USER} && \
     adduser --quiet --gid ${GID} --uid ${UID} --home ${HOME} ${USER} --disabled-password --gecos ""