Echo PATH to debug

docker/dev/Dockerfile

@@ -18,6 +18,8 @@ RUN curl -O https://noto-website.storage.googleapis.com/pkgs/NotoSansCJKjp-hinte
 # add go bin to path.
 ENV PATH "$PATH:/root/go/bin"
 
+echo $PATH
+
 # project directory.
 WORKDIR /usr/src/diagrams
 

docker/dev/Dockerfile2

@@ -10,6 +10,8 @@ WORKDIR /usr/src/diagrams
 
 RUN python -m unittest tests/*.py -v
 
+echo $PATH
+
 RUN ./autogen.sh
 
 RUN /root/.local/bin/poetry build