diff --git a/Dockerfile b/Dockerfile
index 1c0ce92..cff09e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,4 +42,4 @@ RUN apt-get remove -y wget && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
-CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:5000", "--access-logfile", "-", "--error-logfile", "-", "--log-level", "info", "--capture-output", "aperisolve.wsgi:application"]
+CMD ["sh", "-c", "rm -rf /aperisolve/results/* && gunicorn -w 4 -b 0.0.0.0:5000 --access-logfile - --error-logfile - --log-level info --capture-output aperisolve.wsgi:application"]
diff --git a/aperisolve/static/js/aperisolve.js b/aperisolve/static/js/aperisolve.js
index 0090c17..0294ead 100644
--- a/aperisolve/static/js/aperisolve.js
+++ b/aperisolve/static/js/aperisolve.js
@@ -486,7 +486,9 @@ if (browseBtn) {
           } catch (e) {
             showDanger("❌ Invalid server response.", true);
           }
-        } else {
+        } else if (xhr.status == 413) {
+          showDanger("❌ File too large. Please upload a smaller file.", true);
+        }else {
           showDanger(`❌ HTTP error ${xhr.status}`, true);
         }
         progressBar.style.width = "100%";
diff --git a/compose.dev.yml b/compose.dev.yml
index df6e5c2..9df9dea 100644
--- a/compose.dev.yml
+++ b/compose.dev.yml
@@ -4,14 +4,13 @@ services:
     build: .
     container_name: aperisolve-web
     restart: always
-    command: ["flask", "--app", "aperisolve.app", "run", "--host=0.0.0.0", "--port=5000"]
+    command: ["/bin/sh", "-c", "rm -rf /aperisolve/results/* && flask --app aperisolve.app run --host=0.0.0.0 --port=5000"]
+    #command: ["/bin/sh", "-c", "flask --app aperisolve.app run --host=0.0.0.0 --port=5000"]
     ports:
       - "5000:5000"
     volumes:
       - ./aperisolve:/aperisolve
-    # Commented tmpfs for development to allow persistent results during code changes
-    tmpfs:
-      - /aperisolve/results
+      - apresults:/aperisolve/results  # Shared named volume (renamed)
     depends_on:
       postgres:
         condition: service_healthy
@@ -30,12 +29,11 @@ services:
     build: .
     container_name: aperisolve-worker
     restart: always
-    command: rq worker default --url redis://redis:6379/0
+    command: ["/bin/sh", "-c", "rm -rf /aperisolve/results/* && rq worker default --url redis://redis:6379/0"]
+    #command: ["/bin/sh", "-c", "rq worker default --url redis://redis:6379/0"]
     volumes:
       - ./aperisolve:/aperisolve
-    # Commented tmpfs for development to allow persistent results during code changes
-    tmpfs:
-      - /aperisolve/results
+      - apresults:/aperisolve/results  # Shared named volume (renamed)
     depends_on:
       - redis
       - postgres
@@ -56,9 +54,9 @@ services:
     image: postgres:18
     container_name: postgres
     restart: always
-    # Commented tmpfs for development to allow persistent results during code changes
-    tmpfs:
-      - /var/lib/postgresql
+    entrypoint: ["/bin/sh", "-c", "rm -rf /var/lib/postgresql/* && docker-entrypoint.sh postgres"]
+    volumes:
+      - pgdata:/var/lib/postgresql
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U aperiuser -d aperisolve"]
       interval: 5s
@@ -67,7 +65,6 @@ services:
     env_file:
       - .env
 
-
   rqdashboard:
     image: eoranged/rq-dashboard
     container_name: rq-dashboard
@@ -78,3 +75,7 @@ services:
       - redis
     env_file:
       - .env
+
+volumes:
+  apresults:
+  pgdata:
diff --git a/compose.yml b/compose.yml
index 1191cae..afa902f 100644
--- a/compose.yml
+++ b/compose.yml
@@ -39,11 +39,12 @@ services:
       - .env
 
   postgres:
-    image: postgres:14
+    image: postgres:18
     container_name: postgres
     restart: always
-    tmpfs:
-      - /var/lib/postgresql
+    entrypoint: ["/bin/sh", "-c", "rm -rf /var/lib/postgresql/* && docker-entrypoint.sh postgres"]
+    volumes:
+      - pgdata:/var/lib/postgresql
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U aperiuser -d aperisolve"]
       interval: 5s
@@ -69,3 +70,7 @@ services:
       - redis
     env_file:
       - .env
+
+volumes:
+  apresults:
+  pgdata: