diff --git a/app/data/config/watcher-mobymask-v2/mobymask-app-start.sh b/app/data/config/watcher-mobymask-v2/mobymask-app-start.sh
index a337689b..0437d22d 100755
--- a/app/data/config/watcher-mobymask-v2/mobymask-app-start.sh
+++ b/app/data/config/watcher-mobymask-v2/mobymask-app-start.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 if [ -n "$CERC_SCRIPT_DEBUG" ]; then
   set -x
@@ -32,6 +32,6 @@ fi
 yq -n ".address = env(CERC_DEPLOYED_CONTRACT)" > /config/config.yml
 yq ".watcherUrl = env(CERC_APP_WATCHER_URL)" -i /config/config.yml
 yq ".chainId = env(CERC_CHAIN_ID)" -i /config/config.yml
-yq ".relayNodes = env(CERC_RELAY_NODES)" -i /config/config.yml
+yq ".relayNodes = strenv(CERC_RELAY_NODES)" -i /config/config.yml
 
-sh /scripts/start-serving-app.sh
+/scripts/start-serving-app.sh
diff --git a/app/data/container-build/cerc-laconic-console-host/apply-webapp-config.sh b/app/data/container-build/cerc-laconic-console-host/apply-webapp-config.sh
index 1bd25c48..7684eac3 100755
--- a/app/data/container-build/cerc-laconic-console-host/apply-webapp-config.sh
+++ b/app/data/container-build/cerc-laconic-console-host/apply-webapp-config.sh
@@ -2,7 +2,7 @@
 if [ -n "$CERC_SCRIPT_DEBUG" ]; then
     set -x
 fi
-if [[ $# -ne 2 ]]; then
+if [[ $# -ne 3 ]]; then
     echo "Illegal number of parameters" >&2
     exit 1
 fi
diff --git a/app/data/container-build/cerc-mobymask-ui/Dockerfile b/app/data/container-build/cerc-mobymask-ui/Dockerfile
index eb84e4e6..791b623c 100644
--- a/app/data/container-build/cerc-mobymask-ui/Dockerfile
+++ b/app/data/container-build/cerc-mobymask-ui/Dockerfile
@@ -22,7 +22,7 @@ WORKDIR /app
 # Would not be required if publishing package for web-app build
 RUN git clone --branch laconic https://github.com/cerc-io/mobymask-ui.git .
 
-COPY ./mobymask-config.json /src/config.json
+COPY ./mobymask-config.json /app/src/config.json
 
 RUN echo "Building mobymask-ui"
 RUN npm install
diff --git a/app/data/container-build/cerc-mobymask-ui/apply-webapp-config.sh b/app/data/container-build/cerc-mobymask-ui/apply-webapp-config.sh
index 47579177..a7f0a28e 100755
--- a/app/data/container-build/cerc-mobymask-ui/apply-webapp-config.sh
+++ b/app/data/container-build/cerc-mobymask-ui/apply-webapp-config.sh
@@ -2,24 +2,25 @@
 if [ -n "$CERC_SCRIPT_DEBUG" ]; then
     set -x
 fi
-if [[ $# -ne 2 ]]; then
+if [[ $# -ne 3 ]]; then
     echo "Illegal number of parameters" >&2
     exit 1
 fi
 config_file_name=$1
 webapp_files_dir=$2
 config_prefix=$3
-if ![[ -f ${config_file_name} ]]; then
+if ! [[ -f ${config_file_name} ]]; then
     echo "Config file ${config_file_name} does not exist" >&2
     exit 1
 fi
-if ![[ -d ${webapp_files_dir} ]]; then
+if ! [[ -d ${webapp_files_dir} ]]; then
     echo "Webapp directory ${webapp_files_dir} does not exist" >&2
     exit 1
 fi
-# First some magic using yq to translate our yaml config file into an array of key value pairs like:
+# First some magic using sed to translate our yaml config file into an array of key value pairs like:
 # ${config_prefix}<path-through-objects>=<value>
-readarray -t config_kv_pair_array < <( yq '.. | select(length > 2) | ([path | join("_"), .] | join("=") )' ${config_file_name} | sed "s/^/${config_prefix}_/" )
+# sed "s/'//g" is used to remove single quote for relayNodes value
+readarray -t config_kv_pair_array < <( sed -E 's/([^:]+):\s*(.*)/\1=\2/g' ${config_file_name} | sed "s/'//g" |  sed "s/^/${config_prefix}_/" )
 declare -p config_kv_pair_array
 # Then iterate over that kv array making the template substitution in our web app files
 for kv_pair_string in "${config_kv_pair_array[@]}"
@@ -30,6 +31,12 @@ do
     # Run find and sed to do the substitution of one variable over all files
     # See: https://stackoverflow.com/a/21479607/1701505
     echo "Substituting: ${template_string_to_replace} = ${template_value_to_substitute}"
-    # Note: we do not escape our strings, on the expectation they do not container the '#' char.
-    find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute}'#g' {} +
+
+    # TODO: Pass keys to be replaced without double quotes
+    if [[ "$template_string_to_replace" == "${config_prefix}_relayNodes" ]]; then
+        find ${webapp_files_dir} -type f -exec sed -i 's#"'"${template_string_to_replace}"'"#'"${template_value_to_substitute}"'#g' {} +
+    else
+        # Note: we do not escape our strings, on the expectation they do not container the '#' char.
+        find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute}'#g' {} +
+    fi
 done