diff --git a/build/conventi/Dockerfile b/build/conventi/Dockerfile
new file mode 100644
index 0000000..c01d12f
--- /dev/null
+++ b/build/conventi/Dockerfile
@@ -0,0 +1,13 @@
+FROM alpine:3.16.0
+
+RUN apk --no-cache add \
+    git \
+    jq
+
+COPY conventi.sh /usr/local/bin/
+
+VOLUME /conventi
+WORKDIR /conventi
+
+ENTRYPOINT ["/usr/local/bin/conventi.sh"]
+CMD [""]
\ No newline at end of file
diff --git a/build/conventi/conventi.sh b/build/conventi/conventi.sh
index 10170e6..b5fcc05 100755
--- a/build/conventi/conventi.sh
+++ b/build/conventi/conventi.sh
@@ -230,39 +230,39 @@ add_changelog_entry_line() {
     ;;
 
   build)
-    build_lines="$build_lines\n* $2\n"
+    build_lines=$(printf '%s\n* %s\n' "$build_lines" "$2")
     ;;
 
   chore)
-    chore_lines="$chore_lines\n* $2\n"
+    chore_lines=$(printf '%s\n* %s\n' "$chore_lines" "$2")
     ;;
 
   ci)
-    ci_lines="$ci_lines\n* $2\n"
+    ci_lines=$(printf '%s\n* %s\n' "$ci_lines" "$2")
     ;;
 
   doc_lines)
-    doc_lines="$doc_lines\n* $2\n"
+    doc_lines=$(printf '%s\n* %s\n' "$doc_lines" "$2")
     ;;
 
   style)
-    style_lines="$style_lines\n* $2\n"
+    style_lines=$(printf '%s\n* %s\n' "$style_lines" "$2")
     ;;
 
   refactor)
-    refactor_lines="$refactor_lines\n* $2\n"
+    refactor_lines=$(printf '%s\n* %s\n' "$refactor_lines" "$2")
     ;;
 
   perf)
-    perf_lines="$perf_lines\n* $2\n"
+    perf_lines=$(printf '%s\n* %s\n' "$perf_lines" "$2")
     ;;
 
   test)
-    test_lines="$test_lines\n* $2\n"
+    test_lines=$(printf '%s\n* %s\n' "$test_lines" "$2")
     ;;
 
   revert)
-    revert_lines="$revert_lines\n* $2\n"
+    revert_lines=$(printf '%s\n* %s\n' "$revert_lines" "$2")
     ;;
   esac
 }
@@ -270,44 +270,43 @@ add_changelog_entry_line() {
 format_entry() {
   entry=""
   if [ -n "$breaking_change_lines" ]; then
-    entry="$entry### BREAKING CHANGES\n$breaking_change_lines\n\n"
+    entry=$(printf '%s### BREAKING CHANGES\n%s\n\n' "$entry" "$breaking_change_lines")
   fi
   if [ -n "$bugfix_lines" ]; then
-    entry="$entry### Bug fixes\n$bugfix_lines\n\n"
+    entry=$(printf '%s### Bug fixes\n%s\n\n' "$entry" "$bugfix_lines")
   fi
   if [ -n "$feature_lines" ]; then
-    #entry="$entry### Features\n$feature_lines\n\n"
     entry=$(printf '%s### Features\n%s\n\n' "$entry" "$feature_lines")
   fi
   if [ -n "$revert_lines" ]; then
-    entry="$entry### Reverts\n$revert_lines\n\n"
+    entry=$(printf '%s### Reverts\n%s\n\n' "$entry" "$revert_lines")
   fi
   if [ -n "$build_lines" ]; then
-    entry="$entry### Build System\n$build_lines\n\n"
+    entry=$(printf '%s### Build System\n%s\n\n' "$entry" "$build_lines")
   fi
   if [ -n "$chore_lines" ]; then
-    entry="$entry### Chores\n$chore_lines\n\n"
+    entry=$(printf '%s### Chores\n%s\n\n' "$entry" "$chore_lines")
   fi
   if [ -n "$ci_lines" ]; then
-    entry="$entry### CIs\n$ci_lines\n\n"
+    entry=$(printf '%s### CIs\n%s\n\n' "$entry" "$ci_lines")
   fi
   if [ -n "$doc_lines" ]; then
-    entry="$entry### Docs\n$doc_lines\n\n"
+    entry=$(printf '%s### Docs\n%s\n\n' "$entry" "$doc_lines")
   fi
   if [ -n "$test_lines" ]; then
-    entry="$entry### Tests\n$test_lines\n\n"
+    entry=$(printf '%s### Tests\n%s\n\n' "$entry" "$test_lines")
   fi
   if [ -n "$style_lines" ]; then
-    entry="$entry### Styles\n$style_lines\n\n"
+    entry=$(printf '%s### Styles\n%s\n\n' "$entry" "$style_lines")
   fi
   if [ -n "$refactor_lines" ]; then
-    entry="$entry### Refactors\n$refactor_lines\n\n"
+    entry=$(printf '%s### Refactors\n%s\n\n' "$entry" "$refactor_lines")
   fi
   if [ -n "$perf_lines" ]; then
-    entry="$entry### Perfs\n$perf_lines\n\n"
+    entry=$(printf '%s### Performance\n%s\n\n' "$entry" "$perf_lines")
   fi
   if [ -n "$entry" ]; then
-    entry="## [$version]($(get_config_url)/compare/$from_hash...$to_hash) ($(date '+%Y-%m-%d'))\n\n\n$entry"
+    entry=$(printf '## [%s](%s/compare/%s...%s) (%s)\n\n\n%s' "$version" "$(get_config_url)" "$from_hash" "$to_hash" "$(date '+%Y-%m-%d')" "$entry")
   fi
   echo "$entry"
 }
@@ -345,7 +344,7 @@ generate_changelog_entry() {
     if [ "$is_breaking" -eq 1 ]; then
       is_major=1
       breaking_change=$(echo "$breaking_change" | sed -e '2,$s/^[ ]*/  /')
-      breaking_change_lines="$breaking_change_lines\n* $breaking_change\n"
+      breaking_change_lines=$(printf '%s\n* %s\n' "$breaking_change_lines" "$breaking_change")
     fi
 
     case "$type" in
@@ -386,9 +385,9 @@ new_changelog_entry() {
 
   changelog=$(sed -n '/^----/,//{/^----/!p;}' <$changelog_file)
   if [ -n "$changelog" ]; then
-    changelog="$changelog_header\n$entry\n$changelog"
+    changelog=$(printf '%s\n%s\n%s' "$changelog_header" "$entry" "$changelog")
   else
-    changelog="$changelog_header\n$entry"
+    changelog=$(printf '%s\n%s' "$changelog_header" "$entry")
   fi
   echo "$changelog" >$changelog_file
 }