diff --git a/.github/workflows/build.sh b/.github/workflows/build.sh
index 090e4d8..412a0e9 100755
--- a/.github/workflows/build.sh
+++ b/.github/workflows/build.sh
@@ -19,10 +19,10 @@ if [[ "${PUSH}" == 'true' ]] ; then EC_PUSH='--push' ; fi
 
 THIS=$(dirname ${0})
 set -xe
-mkdir -p ${CACHE}
+mkdir -p ${EC_CACHE}
 
 # get the current version of ec CLI
-pip install -r ${THIS}/../../requirements.txt
+pip install -r ${THIS}/../../requirements_ec.txt
 
 # add cache arguments - local file cache passed by github seems to be most reliable
 export EC_CARGS="
@@ -37,8 +37,7 @@ export EC_CARGS="
 ec -v dev build ${EC_TAG} ${EC_PLATFORM} ${EC_PUSH} ${EC_CARGS}
 
 # extract the ioc schema from the runtime image
-ec dev launch-local ${EC_TAG} --execute \
-'ibek ioc generate-schema /epics/ibek/*.ibek.support.yaml' > ibek.ioc.schema.json
+ec dev launch-local ${EC_TAG} --execute 'ibek ioc generate-schema' > ibek.ioc.schema.json
 
 # run acceptance tests
 shopt -s nullglob # expand to nothing if no tests are found
diff --git a/Dockerfile b/Dockerfile
index 80c289f..24f8e61 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,14 @@
 ##### build stage ##############################################################
 
 ARG TARGET_ARCHITECTURE
-ARG BASE=7.0.7ec2
+ARG BASE=7.0.7ec3
 ARG REGISTRY=ghcr.io/epics-containers
 
 FROM  ${REGISTRY}/epics-base-${TARGET_ARCHITECTURE}-developer:${BASE} AS developer
 
-# get latest ibek while under dev. In future the epics-base version will be used
-RUN pip install --upgrade ibek==1.4.2
-
-# the devcontainer mounts the project root to /epics/ioc-template
-WORKDIR /epics/ioc-template/ibek-support
+# The devcontainer mounts the project root to /epics/ioc-adsimdetector. Using
+# the same location here makes devcontainer/runtime differences transparent.
+WORKDIR /epics/ioc-motorsim/ibek-support
 
 # copy the global ibek files
 COPY ibek-support/_global/ _global
@@ -22,7 +20,7 @@ COPY ibek-support/asyn/ asyn/
 RUN asyn/install.sh R4-42
 
 COPY ibek-support/autosave/ autosave/
-RUN autosave/install.sh R5-10-2
+RUN autosave/install.sh R5-11
 
 COPY ibek-support/busy/ busy/
 RUN busy/install.sh R1-7-3
@@ -34,12 +32,12 @@ COPY ibek-support/calc/ calc/
 RUN calc/install.sh R3-7-5
 
 COPY ibek-support/motor/ motor/
-RUN motor/install.sh R7-2-3b1
+RUN motor/install.sh R7-3-1
 
-COPY ibek-support/pmac/ pmac/
-RUN pmac/install.sh 2-4-10
+COPY ibek-support/motorMotorSim/ motorMotorSim/
+RUN motorMotorSim/install.sh R1-2
 
-# Generate template IOC source tree / generate Makefile / compile
+# create IOC source tree, generate Makefile and compile IOC Instance
 RUN ibek ioc build
 
 ##### runtime preparation stage ################################################
diff --git a/build b/build
index b96d509..ca9d319 100755
--- a/build
+++ b/build
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 ################################################################################
-# generic local build script for epics-containers ioc repositories                   #
+# generic local build script for epics-containers ioc repositories             #
 ################################################################################
 
 # pass rtems as first argument to build RTEMS on cross-compiler
@@ -18,7 +18,4 @@ git submodule update --init
 ec dev build --arch ${TARGET_ARCHITECTURE}
 
 # get the schema file from the developer container and save it locally
-ec dev launch-local --execute \
-'ibek ioc generate-schema /epics/ibek/*.ibek.support.yaml' \
-> ibek.ioc.schema.json
-
+ec dev launch-local --execute 'ibek ioc generate-schema' > ibek.ioc.schema.json
diff --git a/ibek-support b/ibek-support
index c39e3bd..13d9edc 160000
--- a/ibek-support
+++ b/ibek-support
@@ -1 +1 @@
-Subproject commit c39e3bd3ddb9f13910f50e86480ffc5ce7ef127c
+Subproject commit 13d9edc73565be5d3247aa58b844741d7eda6989
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 6343875..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-epics-containers-cli==2.6.3
-#git+https://github.com/epics-containers/epics-containers-cli.git@dev
diff --git a/requirements_ec.txt b/requirements_ec.txt
new file mode 100644
index 0000000..ac3632c
--- /dev/null
+++ b/requirements_ec.txt
@@ -0,0 +1,3 @@
+epics-containers-cli==2.6.4
+# to install direct from github during development in the dev branch:
+#git+https://github.com/epics-containers/epics-containers-cli.git@dev