Add environment variables move medley files to /home/medley. (#627)

Add Build_Date, Maiko_Release and Medley_Release environment variables.

Author: stumbo

.github/workflows/buildDocker.yml

@@ -50,6 +50,8 @@ jobs:
           echo ::set-output name=docker_image::${DOCKER_IMAGE}
           echo ::set-output name=build_time::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
           echo ::set-output name=version::${VERSION}
+          echo ::set-output name=maiko_release::${MAIKO_RELEASE}
+          echo ::set-output name=medley_release::${MEDLEY_RELEASE}
 
       # Download Medley Release Assets
       - name: Download Release Assets
@@ -103,4 +105,8 @@ jobs:
           # Push the created image
           push: true
           # tags to assign to the Docker image
-          tags: ${{ steps.prep.outputs.tags }}
+          tags: ${{ steps.prep.outputs.tags }}
+          build-args: |
+            medley_release=${{steps.prep.outputs.medley_release}}
+            maiko_release=${{steps.prep.outputs.maiko_release}}
+            build_date=${{steps.prep.outputs.build_time}}

Dockerfile

@@ -1,19 +1,24 @@
 FROM ubuntu:focal
-ARG BUILD_DATE
+ARG build_date
+ARG medley_release
+ARG maiko_release
 LABEL name="Medley"
 # LABEL tags=${tags}
 LABEL description="The Medley Interlisp environment"
 LABEL url="https://github.com/Interlisp/medley"
-LABEL build-time=$BUILD_DATE
+LABEL build-time=$build_date
+ENV BUILD_DATE=$build_date
+ENV MEDLEY_RELEASE=$medley_release
+ENV MAIKO_RELEASE=$maiko_release
 
 RUN apt-get update && apt-get install -y tightvncserver
 
 EXPOSE 5900
 
 # Copy and uncompress loadup and required source files.
-ADD *.tgz /app
+ADD *.tgz /home
 
-WORKDIR /app/medley
+WORKDIR /home/medley
 
 RUN adduser --disabled-password --gecos "" medley
 USER medley