diff --git a/.shellcheckrc b/.shellcheckrc
index 202d63d..b1d708a 100644
--- a/.shellcheckrc
+++ b/.shellcheckrc
@@ -1,2 +1 @@
 enable=all
-shell=sh
diff --git a/readme.md b/readme.md
index 30b7aa9..6a0a809 100644
--- a/readme.md
+++ b/readme.md
@@ -44,8 +44,8 @@ from various contexts of CA, CI and OCI / OS.
 | SPCD_BRANCH_RELEASE | Release deployment branch | main                            |
 | SPCD_BRANCH_STAGING | Staging deployment branch | dev                             |
 | SPCD_BRANCH_FEATURE | Feature deployment branch | f                               |
-| SPCD_CA_n           | Numbered CA certificates  |                                 |
-| SPCD_DNS_n          | Numbered name servers     | 9.9.9.9                         |
+| SPCD_CA_n           | Numbered CA certificate   |                                 |
+| SPCD_DNS            | Space separated servers   | 9.9.9.9                         |
 | SPCD_GIT_MAIN       | Main Git repository       | spcd                            |
 | SPCD_GIT_ROOT       | Root Git repository       | rwx                             |
 | SPCD_SSH_HOSTS      | domain.tld ssh-type pub   |                                 |
@@ -80,14 +80,6 @@ from various contexts of CA, CI and OCI / OS.
 
 ## Tasks
 
-* define templates
-  * actions
-  * includes
-* handle python virtual environment
-  * install venv if necessary
-  * upgrade pip
-  * install packages
-    * ruff
 * relay environment module name
 * write tests
 
@@ -101,6 +93,8 @@ from various contexts of CA, CI and OCI / OS.
     * shellcheck
   * graphviz
   * openssh
+  * pip
+    * ruff
   * rsync
   * shfmt
 * lint
diff --git a/spcd.sh b/spcd.sh
index 6af63bf..32be9e9 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -4,7 +4,9 @@
 [ -n "${SPCD_BRANCH_RELEASE}" ] || SPCD_BRANCH_RELEASE="main"
 [ -n "${SPCD_BRANCH_STAGING}" ] || SPCD_BRANCH_STAGING="dev"
 [ -n "${SPCD_BRANCH_FEATURE}" ] || SPCD_BRANCH_FEATURE="f"
-[ -n "${SPCD_DNS_1}" ] || SPCD_DNS_1="9.9.9.9"
+[ -n "${SPCD_DNS}" ] || SPCD_DNS="\
+9.9.9.9 \
+"
 [ -n "${SPCD_GIT_MAIN}" ] || SPCD_GIT_MAIN="spcd"
 [ -n "${SPCD_GIT_ROOT}" ] || SPCD_GIT_ROOT="rwx"
 
@@ -527,14 +529,10 @@ spcd_set_https_verification_off() {
 
 spcd_set_dns_resolving() {
 	spcd_step "Set DNS resolving"
-	spcd_sdr__index=1
-	eval "spcd_sdr__value=\"\${SPCD_DNS_${spcd_sdr__index}}\""
-	while [ -n "${spcd_sdr__value}" ]; do
+	for spcd_sdr__server in ${SPCD_DNS}; do
 		spcd_sdr__text="${spcd_sdr__text}\
-nameserver ${spcd_sdr__value}
+nameserver ${spcd_sdr__server}
 "
-		spcd_sdr__index=$((spcd_sdr__index + 1))
-		eval "spcd_sdr__value=\"\${SPCD_DNS_${spcd_sdr__index}}\""
 	done
 	spcd_write "${SPCD_DNS_FILE}" "${spcd_sdr__text}"
 }
diff --git a/spcd/cmd.py b/spcd/cmd.py
index 07a942a..bd1fc7b 100644
--- a/spcd/cmd.py
+++ b/spcd/cmd.py
@@ -22,18 +22,12 @@ def spcd_build_project() -> None:
         pass
 
 
-def spcd_synchronize(
-    target: str | None = None, source: str | None = None
-) -> None:
-    if not target:
-        user = "cd"
-        host = env.SPCD_PROJECT_PATH
-        root = (
-            Path(os.sep) / user / project.branch / projects.group / project.name
-        )
-        target = f"{user}@{host}:{root}"
-    if not source:
-        source = "out"
+def spcd_synchronize() -> None:
+    host = env.SPCD_PROJECT_PATH
+    source = "out"
+    user = "cd"
+    root = Path(os.sep) / user / project.branch / projects.group / project.name
+    target = f"{user}@{host}:{root}"
     ps.run(
         "rsync",
         "--archive",