diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index e1ddefaf2..ddd25c312 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,7 +1,7 @@
 # These are supported funding model platforms
 
 github: joaovitoriasilva # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: 84745218 # Replace with a single Patreon username
+#patreon: # Replace with a single Patreon username
 #open_collective: # Replace with a single Open Collective username
 #ko_fi: # Replace with a single Ko-fi username
 #tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
diff --git a/.github/workflows/docker-image_backend_latest_manual.yml b/.github/workflows/docker-image_backend_latest_manual.yml
index 5a4c93b4a..276597d4f 100644
--- a/.github/workflows/docker-image_backend_latest_manual.yml
+++ b/.github/workflows/docker-image_backend_latest_manual.yml
@@ -1,34 +1,3 @@
-# name: Create backend Docker image with latest tag on manual trigger
-
-# on:
-#   workflow_dispatch:
-
-# jobs:
-
-#   build:
-
-#     runs-on: ubuntu-latest
-
-#     steps:
-#     - name: Checkout code
-#       uses: actions/checkout@v3
-
-#     - name: Build the backend Docker image
-#       run: |
-#         ls -al
-#         IMAGE_TAG="latest"
-#         docker build . --file Dockerfile_backend --tag ${{ github.repository }}/backend:$IMAGE_TAG
-#         echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
-#       if: github.event_name == 'release' || github.event_name == 'workflow_dispatch'
-
-#     - name: Push the backend Docker image to GHCR
-#       if: success() && (github.event_name == 'release' || github.event_name == 'workflow_dispatch')
-#       run: |
-#         echo ${{ secrets.TOKEN_FOR_ACTIONS }} | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
-#         IMAGE_NAME="ghcr.io/${{ github.repository }}/backend"
-#         docker tag ${{ github.repository }}/backend:$IMAGE_TAG $IMAGE_NAME:$IMAGE_TAG
-#         docker push $IMAGE_NAME:$IMAGE_TAG
-
 name: Create backend Docker image with latest tag on manual trigger
 
 on:
diff --git a/.github/workflows/docker-image_backend_manualORnewrelease.yml b/.github/workflows/docker-image_backend_manualORnewrelease.yml
index bc6c6dbc7..04e7ef54a 100644
--- a/.github/workflows/docker-image_backend_manualORnewrelease.yml
+++ b/.github/workflows/docker-image_backend_manualORnewrelease.yml
@@ -1,41 +1,3 @@
-# name: Create backend Docker image on new release or using manual trigger
-
-# on:
-#   workflow_dispatch:
-#   release:
-#     types:
-#       - created
-
-# jobs:
-
-#   build:
-
-#     runs-on: ubuntu-latest
-
-#     steps:
-#     - name: Checkout code
-#       uses: actions/checkout@v3
-
-#     - name: Build the backend Docker image
-#       run: |
-#         ls -al
-#         if [ "${{ github.event_name }}" == 'workflow_dispatch' ]; then
-#           IMAGE_TAG="dev_$(date +"%d%m%Y")"
-#         else
-#           IMAGE_TAG="${{ github.event.release.tag_name }}"
-#         fi
-#         docker build . --file Dockerfile_backend --tag ${{ github.repository }}/backend:$IMAGE_TAG
-#         echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
-#       if: github.event_name == 'release' || github.event_name == 'workflow_dispatch'
-
-#     - name: Push the backend Docker image to GHCR
-#       if: success() && (github.event_name == 'release' || github.event_name == 'workflow_dispatch')
-#       run: |
-#         echo ${{ secrets.TOKEN_FOR_ACTIONS }} | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
-#         IMAGE_NAME="ghcr.io/${{ github.repository }}/backend"
-#         docker tag ${{ github.repository }}/backend:$IMAGE_TAG $IMAGE_NAME:$IMAGE_TAG
-#         docker push $IMAGE_NAME:$IMAGE_TAG
-
 name: Create backend Docker image on new release or using manual trigger
 
 on:
@@ -66,6 +28,13 @@ jobs:
       run: |
         docker buildx create --use
 
+    - name: Verify app directory exists
+      run: |
+        if [ ! -d "./app" ]; then
+          echo "Directory 'app' does not exist."
+          exit 1
+        fi
+
     - name: Build and push the backend Docker image
       run: |
         if [ "${{ github.event_name }}" == 'workflow_dispatch' ]; then
diff --git a/.github/workflows/docker-image_frontend_latest_manual.yml b/.github/workflows/docker-image_frontend_latest_manual.yml
index af7743206..00e02ecf4 100644
--- a/.github/workflows/docker-image_frontend_latest_manual.yml
+++ b/.github/workflows/docker-image_frontend_latest_manual.yml
@@ -1,32 +1,3 @@
-# name: Create frontend Docker image with latest tag on manual trigger
-
-# on:
-#   workflow_dispatch:
-
-# jobs:
-
-#   build:
-
-#     runs-on: ubuntu-latest
-
-#     steps:
-#     - name: Checkout code
-#       uses: actions/checkout@v3
-
-#     - name: Build the frontend Docker image
-#       run: |
-#         IMAGE_TAG="latest"
-#         docker build . --file Dockerfile_frontend --tag ${{ github.repository }}/frontend:$IMAGE_TAG
-#         echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
-#       if: github.event_name == 'release' || github.event_name == 'workflow_dispatch'
-
-#     - name: Push the frontend Docker image to GHCR
-#       if: success() && (github.event_name == 'release' || github.event_name == 'workflow_dispatch')
-#       run: |
-#         echo ${{ secrets.TOKEN_FOR_ACTIONS }} | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
-#         IMAGE_NAME="ghcr.io/${{ github.repository }}/frontend"
-#         docker tag ${{ github.repository }}/frontend:$IMAGE_TAG $IMAGE_NAME:$IMAGE_TAG
-#         docker push $IMAGE_NAME:$IMAGE_TAG
 name: Create frontend Docker image with latest tag on manual trigger
 
 on:
diff --git a/.github/workflows/docker-image_frontend_manualORnewrelease.yml b/.github/workflows/docker-image_frontend_manualORnewrelease.yml
index ccfc4c8a1..7cb9a1394 100644
--- a/.github/workflows/docker-image_frontend_manualORnewrelease.yml
+++ b/.github/workflows/docker-image_frontend_manualORnewrelease.yml
@@ -1,39 +1,3 @@
-# name: Create frontend Docker image on new release or using manual trigger
-
-# on:
-#   workflow_dispatch:
-#   release:
-#     types:
-#       - created
-
-# jobs:
-
-#   build:
-
-#     runs-on: ubuntu-latest
-
-#     steps:
-#     - name: Checkout code
-#       uses: actions/checkout@v3
-
-#     - name: Build the frontend Docker image
-#       run: |
-#         if [ "${{ github.event_name }}" == 'workflow_dispatch' ]; then
-#           IMAGE_TAG="dev_$(date +"%d%m%Y")"
-#         else
-#           IMAGE_TAG="${{ github.event.release.tag_name }}"
-#         fi
-#         docker build . --file Dockerfile_frontend --tag ${{ github.repository }}/frontend:$IMAGE_TAG
-#         echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_ENV
-#       if: github.event_name == 'release' || github.event_name == 'workflow_dispatch'
-
-#     - name: Push the frontend Docker image to GHCR
-#       if: success() && (github.event_name == 'release' || github.event_name == 'workflow_dispatch')
-#       run: |
-#         echo ${{ secrets.TOKEN_FOR_ACTIONS }} | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
-#         IMAGE_NAME="ghcr.io/${{ github.repository }}/frontend"
-#         docker tag ${{ github.repository }}/frontend:$IMAGE_TAG $IMAGE_NAME:$IMAGE_TAG
-#         docker push $IMAGE_NAME:$IMAGE_TAG
 name: Create frontend Docker image on new release or using manual trigger
 
 on:
diff --git a/docker-compose.yml.example b/docker-compose.yml.example
index 1f8548a1e..2e6546c12 100644
--- a/docker-compose.yml.example
+++ b/docker-compose.yml.example
@@ -1,12 +1,11 @@
-version: '3'
 services:
   # frontend logic
   frontend:
     container_name: frontend
     image: ghcr.io/joaovitoriasilva/endurain/frontend:latest
     #environment:
-      #- MY_APP_BACKEND_PROTOCOL=http # http or https, default is http
-      #- MY_APP_BACKEND_HOST=localhost:98 # api host or local ip (example: 192.168.1.10:98), default is localhost:98
+      #- VITE_BACKEND_PROTOCOL=http # http or https, default is http
+      #- VITE_BACKEND_HOST=localhost:98 # api host or local ip (example: 192.168.1.10:98), default is localhost:98
     # Configure volume if you want to edit the code locally by clomming the repo
     #volumes:
     #  - <local_path>/endurain/frontend:/app
@@ -30,9 +29,9 @@ services:
       - FRONTEND_PORT=8080 # default is 80
     ports:
       - "98:80" # API port, change per your needs
-    # Configure volume if you want to edit the code locally by clomming the repo
-    #volumes:
-    #  - <local_path>/endurain/backend:/app
+    volumes:
+    #  - <local_path>/endurain/backend:/app # Configure volume if you want to edit the code locally by cloning the repo and comment next line
+      - <local_path>/endurain/backend/user_images:/app/user_images # necessary for user image persistence on container image updates
     depends_on:
       - mariadb
       - jaeger # optional
diff --git a/frontend/frontend_env.sh b/frontend/frontend_env.sh
index 47460b5fe..93584be8f 100644
--- a/frontend/frontend_env.sh
+++ b/frontend/frontend_env.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-for i in $(env | grep MY_APP_)
+for i in $(env | grep VITE_)
 do
 	key=$(echo $i | cut -d '=' -f 1)
 	value=$(echo $i | cut -d '=' -f 2-)