diff --git a/base/config_files/docker_nightly_run.sh b/base/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/config_files/docker_nightly_run.sh
+++ b/base/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.1-apache/config_files/docker_nightly_run.sh b/base/images/7.1-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.1-apache/config_files/docker_nightly_run.sh
+++ b/base/images/7.1-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.1-fpm/config_files/docker_nightly_run.sh b/base/images/7.1-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.1-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/7.1-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.2-apache/config_files/docker_nightly_run.sh b/base/images/7.2-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.2-apache/config_files/docker_nightly_run.sh
+++ b/base/images/7.2-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.2-fpm/config_files/docker_nightly_run.sh b/base/images/7.2-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.2-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/7.2-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.3-apache/config_files/docker_nightly_run.sh b/base/images/7.3-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.3-apache/config_files/docker_nightly_run.sh
+++ b/base/images/7.3-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.3-fpm/config_files/docker_nightly_run.sh b/base/images/7.3-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.3-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/7.3-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.4-apache/config_files/docker_nightly_run.sh b/base/images/7.4-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.4-apache/config_files/docker_nightly_run.sh
+++ b/base/images/7.4-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/7.4-fpm/config_files/docker_nightly_run.sh b/base/images/7.4-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/7.4-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/7.4-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.0-apache/config_files/docker_nightly_run.sh b/base/images/8.0-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.0-apache/config_files/docker_nightly_run.sh
+++ b/base/images/8.0-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.0-fpm/config_files/docker_nightly_run.sh b/base/images/8.0-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.0-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/8.0-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.1-apache/config_files/docker_nightly_run.sh b/base/images/8.1-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.1-apache/config_files/docker_nightly_run.sh
+++ b/base/images/8.1-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.1-fpm/config_files/docker_nightly_run.sh b/base/images/8.1-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.1-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/8.1-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.2-apache/config_files/docker_nightly_run.sh b/base/images/8.2-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.2-apache/config_files/docker_nightly_run.sh
+++ b/base/images/8.2-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.2-fpm/config_files/docker_nightly_run.sh b/base/images/8.2-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.2-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/8.2-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.3-apache/config_files/docker_nightly_run.sh b/base/images/8.3-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.3-apache/config_files/docker_nightly_run.sh
+++ b/base/images/8.3-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.3-fpm/config_files/docker_nightly_run.sh b/base/images/8.3-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.3-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/8.3-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.4-apache/config_files/docker_nightly_run.sh b/base/images/8.4-apache/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.4-apache/config_files/docker_nightly_run.sh
+++ b/base/images/8.4-apache/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/
diff --git a/base/images/8.4-fpm/config_files/docker_nightly_run.sh b/base/images/8.4-fpm/config_files/docker_nightly_run.sh
index cd7b0d4c..5cda0a7f 100755
--- a/base/images/8.4-fpm/config_files/docker_nightly_run.sh
+++ b/base/images/8.4-fpm/config_files/docker_nightly_run.sh
@@ -2,7 +2,7 @@
 
 # Download nightly build
 if [ ! -d /tmp/data-ps ]; then
-    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E '$PS_VERSION.+\.zip$' | tail -1` /tmp/prestashop.zip
+    gsutil cp `gsutil ls gs://prestashop-core-nightly/ | grep -E "$PS_VERSION.+\.zip$" | tail -1` /tmp/prestashop.zip
 
     mkdir -p /tmp/data-ps
     unzip -q /tmp/prestashop.zip -d /tmp/data-ps/