diff --git a/dk b/dk
index 37d67eb..602cf55 100755
--- a/dk
+++ b/dk
@@ -87,6 +87,11 @@ OPTIONS générales
     (ces options sont communes à toutes les commandes)
     -d, --chdir PROJDIR
         Spécifier le répertoire du projet
+    -c, --config config.yml
+        Spécifier le fichier de configuration à utiliser. le fichier de profil
+        config.PROFILE.yml est chargé aussi s'il existe.
+        Si cette option n'est pas spécifiée, docker-compose.yml est utilisé par
+        défaut (ou avec l'option --stack docker-stack.yml s'il existe)
     -p, --profile PROFILE
     -P, --prod
     -T, --test
@@ -232,42 +237,56 @@ function compose_set_project_name() {
     fi
 }
 function compose_set_env_args() {
-    if [ -n "$USE_STACK" -a -f docker-stack.yml ]; then
-        replace_env_args+=(-f docker-stack.yml)
+    if [ -n "$CONFIG" ]; then
+        replace_env_args+=(-f "$CONFIG")
+        if [ -n "$PROFILE" -a -f "${CONFIG%.yml}.$PROFILE.yml" ]; then
+            replace_env_args+=(-f "${CONFIG%.yml}.$PROFILE.yml")
+        fi
     else
-        replace_env_args+=(-f docker-compose.yml)
-    fi
-    if [ -n "$USE_STACK" -a -f docker-stack.override.yml ]; then
-        replace_env_args+=(-f docker-stack.override.yml)
-    elif [ -f docker-compose.override.yml ]; then
-        replace_env_args+=(-f docker-compose.override.yml)
-    fi
-    if [ -n "$PROFILE" ]; then
-        if [ -n "$USE_STACK" -a -f "docker-stack.$PROFILE.yml" ]; then
-            replace_env_args+=(-f "docker-stack.$PROFILE.yml")
-        elif [ -f "docker-compose.$PROFILE.yml" ]; then
-            replace_env_args+=(-f "docker-compose.$PROFILE.yml")
+        if [ -n "$USE_STACK" -a -f docker-stack.yml ]; then
+            replace_env_args+=(-f docker-stack.yml)
+        else
+            replace_env_args+=(-f docker-compose.yml)
+        fi
+        if [ -n "$USE_STACK" -a -f docker-stack.override.yml ]; then
+            replace_env_args+=(-f docker-stack.override.yml)
+        elif [ -f docker-compose.override.yml ]; then
+            replace_env_args+=(-f docker-compose.override.yml)
+        fi
+        if [ -n "$PROFILE" ]; then
+            if [ -n "$USE_STACK" -a -f "docker-stack.$PROFILE.yml" ]; then
+                replace_env_args+=(-f "docker-stack.$PROFILE.yml")
+            elif [ -f "docker-compose.$PROFILE.yml" ]; then
+                replace_env_args+=(-f "docker-compose.$PROFILE.yml")
+            fi
         fi
     fi
 
     compose_set_project_name "$@"
 }
 function docker_set_deploy_args() {
-    if [ -n "$USE_STACK" -a -f docker-stack.yml ]; then
-        replace_deploy_args+=(-c docker-stack.yml)
+    if [ -n "$CONFIG" ]; then
+        replace_deploy_args+=(-c "$CONFIG")
+        if [ -n "$PROFILE" -a -f "${CONFIG%.yml}.$PROFILE.yml" ]; then
+            replace_deploy_args+=(-c "${CONFIG%.yml}.$PROFILE.yml")
+        fi
     else
-        replace_deploy_args+=(-c docker-compose.yml)
-    fi
-    if [ -n "$USE_STACK" -a -f docker-stack.override.yml ]; then
-        replace_deploy_args+=(-c docker-stack.override.yml)
-    elif [ -f docker-compose.override.yml ]; then
-        replace_deploy_args+=(-c docker-compose.override.yml)
-    fi
-    if [ -n "$PROFILE" ]; then
-        if [ -n "$USE_STACK" -a -f "docker-stack.$PROFILE.yml" ]; then
-            replace_deploy_args+=(-c "docker-stack.$PROFILE.yml")
-        elif [ -f "docker-compose.$PROFILE.yml" ]; then
-            replace_deploy_args+=(-c "docker-compose.$PROFILE.yml")
+        if [ -n "$USE_STACK" -a -f docker-stack.yml ]; then
+            replace_deploy_args+=(-c docker-stack.yml)
+        else
+            replace_deploy_args+=(-c docker-compose.yml)
+        fi
+        if [ -n "$USE_STACK" -a -f docker-stack.override.yml ]; then
+            replace_deploy_args+=(-c docker-stack.override.yml)
+        elif [ -f docker-compose.override.yml ]; then
+            replace_deploy_args+=(-c docker-compose.override.yml)
+        fi
+        if [ -n "$PROFILE" ]; then
+            if [ -n "$USE_STACK" -a -f "docker-stack.$PROFILE.yml" ]; then
+                replace_deploy_args+=(-c "docker-stack.$PROFILE.yml")
+            elif [ -f "docker-compose.$PROFILE.yml" ]; then
+                replace_deploy_args+=(-c "docker-compose.$PROFILE.yml")
+            fi
         fi
     fi
 
@@ -906,6 +925,7 @@ set_defaults dk
 export PROFILE
 
 chdir=
+CONFIG=
 DM_SET_MACHINE=
 USE_STACK=
 FAKE=
@@ -918,6 +938,7 @@ update_apps_branch=
 args=(
     --help '$exit_with display_help'
     -d:,--chdir: chdir=
+    -c:,--config: CONFIG=
     -p:,--profile: PROFILE=
     -P,--prod PROFILE=prod
     -T,--test PROFILE=test