diff --git a/cd.sh b/cd.sh
index 87f418e..6fec4d3 100644
--- a/cd.sh
+++ b/cd.sh
@@ -6,7 +6,10 @@ CD_DNS_SERVERS=(
 CD_NAME='cd'
 CD_REPOSITORIES_PARENT='rwx'
 
-CD_DNS_FILE='/etc/resolv.conf'
+function cd_set_environment {
+    #
+    CD_DNS_FILE='/etc/resolv.conf'
+    CD_ENV="$(mktemp)"
 case "${CD_OS_NAME}" in
     'debian')
         CD_PYTHON_COMMAND='python3'
@@ -29,9 +32,7 @@ esac
 # project / branch
 [ "${CI_COMMIT_BRANCH}" ] && export CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
 [ "${GITHUB_REF_NAME}" ] && export CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
-if [ "${CD_PROJECT_BRANCH}" ] ; then
-    echo "CD_PROJECT_BRANCH = ${CD_PROJECT_BRANCH}"
-else
+if [ ! "${CD_PROJECT_BRANCH}" ] ; then
     echo 'CD_PROJECT_BRANCH'
     exit 3
 fi
@@ -40,9 +41,7 @@ fi
 && CD_PROJECT_NAME="$(basename "${CI_PROJECT_PATH}")"
 [ "${GITHUB_REPOSITORY}" ] \
 && CD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
-if [ "${CD_PROJECT_NAME}" ] ; then
-    echo "CD_PROJECT_NAME = ${CD_PROJECT_NAME}"
-else
+if [ ! "${CD_PROJECT_NAME}" ] ; then
     echo 'CD_PROJECT_NAME'
     exit 3
 fi
@@ -51,9 +50,7 @@ fi
 && CD_PROJECTS_GROUP="$(dirname "${CI_PROJECT_PATH}")"
 [ "${GITHUB_REPOSITORY}" ] \
 && CD_PROJECTS_GROUP="$(dirname "${GITHUB_REPOSITORY}")"
-if [ "${CD_PROJECTS_GROUP}" ] ; then
-    echo "CD_PROJECTS_GROUP = ${CD_PROJECTS_GROUP}"
-else
+if [ ! "${CD_PROJECTS_GROUP}" ] ; then
     echo 'CD_PROJECTS_GROUP'
     exit 3
 fi
@@ -62,14 +59,28 @@ fi
 [ "${GITHUB_SERVER_URL}" ] && CD_PROJECTS_URL="${GITHUB_SERVER_URL}"
 if [ "${CD_PROJECTS_URL}" ] ; then
     CD_PROJECTS_URL+="/${CD_PROJECTS_GROUP}"
-    echo "CD_PROJECTS_URL = ${CD_PROJECTS_URL}"
 else
     echo 'CD_PROJECTS_URL'
     exit 3
 fi
-# project / url
-CD_PROJECT_URL="${CD_PROJECTS_URL}/${CD_PROJECT_NAME}"
-echo "CD_PROJECT_URL = ${CD_PROJECT_URL}"
+    # project / url
+    CD_PROJECT_URL="${CD_PROJECTS_URL}/${CD_PROJECT_NAME}"
+}
+
+function cd_write_environment {
+    cd_write "${CD_ENV}" "{
+\"project\": {
+ \"branch\": \"${CD_PROJECT_BRANCH}\",
+ \"name\": \"${CD_PROJECT_NAME}\",
+ \"url\": \"${CD_PROJECT_URL}\"
+},
+\"projects\": {
+ \"group\": \"${CD_PROJECTS_GROUP}\",
+ \"url\": \"${CD_PROJECTS_URL}\"
+}
+}"
+    cat "${CD_ENV}"
+}
 
 function cd_step {
     if [ "${1}" ] ; then
@@ -239,10 +250,12 @@ local root
 
 function cd_bootstrap {
     cd_step "${FUNCNAME}"
-    "${CD_PYTHON_COMMAND}" -m "${CD_NAME}"
+    "${CD_PYTHON_COMMAND}" -m "${CD_NAME}" "${CD_ENV}"
 }
 
 function cd_main {
+    cd_set_environment
+    cd_write_environment
     cd_set_dns_resolving
     cd_set_packages_repositories
     cd_set_packages_configuration