Various Changes/Improvements?

.env

@@ -0,0 +1,2 @@
+USER_ID=1000
+USER_GID=1000

Dockerfile

@@ -13,10 +13,15 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-FROM crops/yocto:ubuntu-14.04-base
+FROM crops/yocto:ubuntu-16.04-base
 
 USER root
 
+# The repo tool is used by a lot of yocto builds add it
+RUN apt-get update \
+ && apt-get install -y repo \
+ && rm -rf /var/lib/apt/lists/*
+
 ADD https://raw.githubusercontent.com/crops/extsdk-container/master/restrict_useradd.sh  \
         https://raw.githubusercontent.com/crops/extsdk-container/master/restrict_groupadd.sh \
         https://raw.githubusercontent.com/crops/extsdk-container/master/usersetup.py \
@@ -39,5 +44,6 @@ RUN userdel -r yoctouser && \
 
 USER usersetup
 ENV LANG=en_US.UTF-8
+ENV USER_ID=1000 USER_GID=1000
 
 ENTRYPOINT ["/usr/bin/dumb-init", "--", "/usr/bin/poky-entry.py"]

docker-compose.yml

@@ -0,0 +1,23 @@
+#
+# set the USER_ID and USER_GID in the .env file
+#
+#   $ printf "USER_ID=$(id -u)\nUSER_GID=$(id -g)\n" > .env
+#
+# then launch this with:
+#
+#   $ docker-compose build poky
+#   $ docker-compose run --rm  poky
+
+version: '2'
+
+services:
+  poky:
+    build: .
+    image: crops/poky:latest
+
+    environment:
+      - USER_ID
+      - USER_GID
+
+    volumes:
+      - ./workspace:/workspace

poky-entry.py

@@ -44,7 +44,8 @@
 if args.id:
     uid, gid = args.id.split(":")
     idargs = "--uid={} --gid={}".format(uid, gid)
-
+elif os.environ.get('USER_ID') and os.environ.get('USER_GID'):
+    idargs = "--uid={} --gid={}".format(os.environ['USER_ID'], os.environ['USER_GID'])
 elif args.workdir == '/home/pokyuser':
     # If the workdir wasn't specified pick a default uid and gid since
     # usersetup won't be able to calculate it from the non-existent workdir