simplified build-npm container

Author: bdeboe

Dockerfile-build-npm

@@ -1,35 +1,30 @@
-ARG IMAGE=intersystemsdc/iris-community
-FROM $IMAGE
-
-USER root
+FROM ubuntu:latest
+ARG NODE_VERSION=10
 
 # install curl
 RUN apt update && apt install curl -y
 
-# set env
-ENV NVM_DIR=/root/.nvm
-
 # install nvm
 RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
 
+# set env
+ENV NVM_DIR=/root/.nvm
+
 # install node
-RUN bash -c "source $NVM_DIR/nvm.sh && nvm install 10 && nvm use 10"
+RUN bash -c "source $NVM_DIR/nvm.sh && nvm install ${NODE_VERSION} && nvm use ${NODE_VERSION}"
 
 # copy code
 WORKDIR /opt/irisapp
 COPY src ./src
 COPY gulpfile.js .
 COPY package.json .
-COPY iris-build-npm.script .
 
 # build npm
 RUN bash -c "source $NVM_DIR/nvm.sh && npm install && npm run gulp"
 
-#RUN mkdir /opt/irisapp/export/
-#RUN chown -R ${ISC_PACKAGE_MGRUSER}:${ISC_PACKAGE_IRISGROUP} /opt/irisapp
-USER ${ISC_PACKAGE_MGRUSER}
 
-# import/export IRIS
-#RUN iris start iris && \
-#    iris session iris < iris-build-npm.script && \
-#    iris stop iris quietly
+# set ENTRYPOINT for reloading nvm-environment
+ENTRYPOINT ["bash", "-c", "source $NVM_DIR/nvm.sh && exec \"$@\"", "--"]
+
+# set cmd to bash
+CMD ["/bin/bash"]

readme.md

@@ -65,11 +65,11 @@ This will bring `ClassExplorer-v*.*.*.xml` to the `build` directory, which you c
 
 ### Using docker
 
-:warning: incomplete procedure
+:warning: The following is a rather naive way of building the web app for ZPM packaging using an [nvm docker script](https://github.com/nvm-sh/nvm?tab=readme-ov-file#installing-in-docker), starting the image as a daemon, and then manually copying the files back out.
 
 ```Shell
 docker build -f ./Dockerfile-build-npm -t build-npm .
-docker run --rm -d --name build-npm build-npm
+docker run --rm -d --name build-npm build-npm /bin/bash -c 'while true; do sleep 30; done'
 docker cp build-npm:/opt/irisapp/build/cls/ClassExplorer.ClassView.cls ./build-for-zpm/ClassExplorer/ClassView.cls
 docker cp build-npm:/opt/irisapp/build/cls/ClassExplorer.Router.cls ./build-for-zpm/ClassExplorer/Router.cls
 docker cp build-npm:/opt/irisapp/build/cls/ClassExplorer.StaticContent.cls ./build-for-zpm/ClassExplorer/StaticContent.cls