diff --git a/container-conf/build.sh b/container-conf/build.sh
index 03ba544..0667d9b 100644
--- a/container-conf/build.sh
+++ b/container-conf/build.sh
@@ -13,23 +13,13 @@ build_vars() {
 }
 
 build_as_root() {
-    # re2c is for synapps; rpcgen and libtirpc-devel is for asyn
-    install_yum_install \
-        libXt-devel \
-        libtirpc-devel \
-        motif-devel \
-        nodejs \
-        perl-ExtUtils-Command \
-        perl-FindBin \
-        re2c \
-        rpcgen
+    install_yum_install libatomic
 }
 
 build_as_run_user() {
-    set -x
     _slicops_bashrc
-    # sets epics_synapps_dir
-    source epics-install.sh
+    _slicops_nvm_install
+    install_repo_eval epics-area-detector
     _slicops_pkg_install
     _slicops_bin
 }
@@ -41,20 +31,15 @@ export EPICS_BASE=$HOME/.local/epics
 # $EPICS_BASE/startup/EpicsHostArch outputs linux-x86_64; no need to be dynamic here
 export EPICS_HOST_ARCH=linux-x86_64
 bivio_path_insert "$EPICS_BASE/bin/$EPICS_HOST_ARCH"
-
-# for newer nvm
-export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
-[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
 EOF
     install_source_bashrc
 }
 
 _slicops_bin() {
     build_replace_vars "$build_guest_conf"/slicops-entry.sh "$_slicops_entry"
-    # POSIT: epics-install.sh sets sim_det_dir
+    sim_det_dir=$(find "$EPICS_BASE" -type d -path '*iocBoot/iocSimDetector')
     build_replace_vars "$build_guest_conf"/slicops-demo.sh "$_slicops_demo"
-    # Sanity check that the file contains somethng
+    # Sanity check that the file contains something
     if ! grep sim-detector "$_slicops_demo" &> /dev/null; then
         cat "$_slicops_demo"
         install_err "$_slicops_demo was not generated properly"
@@ -62,6 +47,14 @@ _slicops_bin() {
     chmod a+rx "$_slicops_demo" "$_slicops_entry"
 }
 
+_slicops_nvm_install() {
+    # POSIT: same as download/**/codes/common.sh
+    mkdir -p "$NVM_DIR"
+    PROFILE=/dev/null | curl -s -S -L https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
+    install_source_bashrc
+    nvm install 25.6.1
+}
+
 _slicops_pip_install() {
     declare org_and_repo=$1
     declare branch=$2
@@ -78,11 +71,6 @@ _slicops_pkg_install() {
     _slicops_pip_install radiasoft/pykern "$PYKERN_BRANCH"
     _slicops_pip_install slaclab/slicops "$SLICOPS_BRANCH"
     cd slaclab/slicops/ui
-    rm ~/.npmrc
-    # upgrade nvm and node
-    curl -s -S -L https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
-    source $HOME/.nvm/nvm.sh
-    nvm install node
     npm install
     npm run build
     mv dist ../slicops/package_data/vue
diff --git a/container-conf/epics-install.sh b/container-conf/epics-install.sh
deleted file mode 100644
index 8df3a05..0000000
--- a/container-conf/epics-install.sh
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/bin/bash
-#
-# This file is sourced from build.sh so setup is there.
-#
-# Install epics, asyn, and synaps
-#
-_asyn_version=R4-45
-_epics_version=7.0.8.1
-_synapps_version=R6-3
-
-_epics_base() {
-    declare d=$(dirname "$EPICS_BASE")
-    mkdir -p "$d"
-    cd "$d"
-    b=base-"$_epics_version"
-    _epics_untar https://epics-controls.org/download/base/"$b".tar.gz "$b" "$EPICS_BASE"
-    cd "$EPICS_BASE"
-    make -j4
-}
-
-_epics_main() {
-    declare p=$PWD
-    install_source_bashrc
-    bivio_path_remove "$EPICS_BASE"/bin
-    _epics_base
-    cd "$EPICS_BASE"
-    mkdir -p extensions
-    cd extensions
-    _epics_synapps
-    # Need to return, because this file is sourced
-    cd "$p"
-}
-
-_epics_synapps() {
-    declare d=synApps
-    # Must be absolute or fails silently
-    declare f=$PWD/$d.modules
-    cat <<'EOF' > "$f"
-AREA_DETECTOR=R3-12-1
-ASYN=R4-44-2
-AUTOSAVE=R5-11
-BUSY=R1-7-4
-CALC=R3-7-5
-DEVIOCSTATS=3.1.16
-SNCSEQ=R2-2-9
-SSCAN=R2-11-6
-EOF
-    curl -s -S -L https://github.com/EPICS-synApps/assemble_synApps/releases/download/"$_synapps_version"/assemble_synApps \
-        | perl - --base="$EPICS_BASE" --dir="$d" --config="$f"
-    rm "$f"
-    cd "$d"/support
-    make -j 4
-    # POSIT used by slicops-demo.sh
-    export sim_det_dir=$(find "$PWD" -type d -path '*iocBoot/iocSimDetector')
-    cd - >& /dev/null
-}
-
-_epics_untar() {
-    declare url=$1
-    declare base=$2
-    declare tgt=$3
-    curl -L -s -S "$url" | tar xzf -
-    mv "$base" "$tgt"
-    cd "$tgt"
-}
-
-# No "$@" since this file is sourced from build.sh (this would pass args from program)
-_epics_main