diff --git a/Dockerfile b/Dockerfile
index 3909f29..0e9260c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,9 +44,9 @@ RUN npm install -g azurite
 
 USER python
 VOLUME /home/python
-ENV PATH /home/python/.local/bin:$PATH
+ENV PATH=/home/python/.local/bin:$PATH
 
-RUN pipx install poetry && \
+RUN pipx install poetry==1.8.5 && \
     pipx install nox
 
 RUN cat <<EOF
diff --git a/Dockerfile.test-nx b/Dockerfile.test-nx
index 98d02ce..0e7306b 100644
--- a/Dockerfile.test-nx
+++ b/Dockerfile.test-nx
@@ -1,4 +1,4 @@
-ARG DOCKER_REPO
+ARG DOCKER_REPO=localhost:5001
 FROM --platform=$BUILDPLATFORM ${DOCKER_REPO}/datasite/test-cicd-python:latest-python
 
 COPY --chown=python ./ /usr/src/test
diff --git a/build.sh b/build.sh
index 97ca80e..402e674 100755
--- a/build.sh
+++ b/build.sh
@@ -3,7 +3,7 @@ set -o errexit
 set -o pipefail
 set -o nounset
 [[ ${DEBUG:-} == true ]] && set -o xtrace
-readonly __dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 PLATFORMS=${1:-linux/amd64,linux/arm64}
 DOCKER_REPO=${2:-0.0.0.0:5001}
@@ -13,5 +13,5 @@ echo "Building ${LOCAL_NAME}"
 
 docker buildx build --progress plain --no-cache --builder=container --platform="${PLATFORMS}" --push --pull -t "${LOCAL_NAME}:latest-python" "${__dir}/"
 
-docker buildx build --builder=container --platform="${PLATFORMS}" --push -t "${LOCAL_NAME}-nx-consumer:latest-python" --build-arg=DOCKER_REPO=${DOCKER_REPO} "${__dir}/test-nx"
-docker buildx build --builder=container --platform="${PLATFORMS}" --push -t "${LOCAL_NAME}-app-consumer:latest-python" --build-arg=DOCKER_REPO=${DOCKER_REPO} "${__dir}/test-app"
+docker buildx build --builder=container --platform="${PLATFORMS}" --push -t "${LOCAL_NAME}-nx-consumer:latest-python" --build-arg=DOCKER_REPO="${DOCKER_REPO}" "${__dir}/test-nx"
+docker buildx build --builder=container --platform="${PLATFORMS}" --push -t "${LOCAL_NAME}-app-consumer:latest-python" --build-arg=DOCKER_REPO="${DOCKER_REPO}" "${__dir}/test-app"
diff --git a/test-app/Dockerfile b/test-app/Dockerfile
index 350a7bf..8d3b43c 100644
--- a/test-app/Dockerfile
+++ b/test-app/Dockerfile
@@ -1,4 +1,4 @@
-ARG DOCKER_REPO
+ARG DOCKER_REPO=localhost:5001
 FROM --platform=$BUILDPLATFORM ${DOCKER_REPO}/datasite/test-cicd-python:latest-python
 
 COPY --chown=python ./ /usr/src/test
diff --git a/test-nx/Dockerfile b/test-nx/Dockerfile
index 98d02ce..0e7306b 100644
--- a/test-nx/Dockerfile
+++ b/test-nx/Dockerfile
@@ -1,4 +1,4 @@
-ARG DOCKER_REPO
+ARG DOCKER_REPO=localhost:5001
 FROM --platform=$BUILDPLATFORM ${DOCKER_REPO}/datasite/test-cicd-python:latest-python
 
 COPY --chown=python ./ /usr/src/test