diff --git a/web/.env.example b/web/.env.example
index 96513c87..43f3a72b 100644
--- a/web/.env.example
+++ b/web/.env.example
@@ -56,3 +56,11 @@ SMTP_FROM_EMAIL=noreply@thebiergarten.app
 SMTP_FROM_NAME=The Biergarten App
 
 WEBSITE_BASE_URL=http://localhost:3000
+
+# ======================
+# SeaweedFS (S3) Configuration
+# ======================
+# Credentials and default bucket for the local SeaweedFS S3-compatible storage
+SEAWEEDFS_ACCESS_KEY_ID=admin
+SEAWEEDFS_SECRET_ACCESS_KEY=secret
+SEAWEEDFS_BUCKET=my-bucket
diff --git a/web/docker-compose.dev.yaml b/web/docker-compose.dev.yaml
index 760386e9..3b4b353c 100644
--- a/web/docker-compose.dev.yaml
+++ b/web/docker-compose.dev.yaml
@@ -1,4 +1,5 @@
 services:
+
   sqlserver:
     env_file: ".env.dev"
     image: mcr.microsoft.com/mssql/server:2022-latest
@@ -24,6 +25,7 @@ services:
       start_period: 30s
     networks:
       - devnet
+
   database.migrations:
     env_file: ".env.dev"
     image: database.migrations
@@ -105,24 +107,45 @@ services:
     volumes:
       - nuget-cache-dev:/root/.nuget/packages
 
+  seaweedfs:
+    env_file: ".env.dev"
+    image: chrislusf/seaweedfs
+    container_name: dev-env-seaweedfs
+    ports:
+      - "8333:8333" # S3 API
+      - "8888:8888" # Filer UI
+      - "9333:9333" # Master UI
+      - "23646:23646" # Admin UI
+    environment:
+      AWS_ACCESS_KEY_ID: "${SEAWEEDFS_ACCESS_KEY_ID}"
+      AWS_SECRET_ACCESS_KEY: "${SEAWEEDFS_SECRET_ACCESS_KEY}"
+      S3_BUCKET: "${SEAWEEDFS_BUCKET}"
+    volumes:
+      - seaweedfsdata-dev:/data
+    restart: unless-stopped
+    networks:
+      - devnet
+
   mailpit:
     image: axllent/mailpit:latest
     container_name: dev-env-mailpit
     ports:
       - "8025:8025" # Web UI
       - "1025:1025" # SMTP server
-
     restart: unless-stopped
     environment:
       MP_SMTP_AUTH_ACCEPT_ANY: 1
       MP_SMTP_AUTH_ALLOW_INSECURE: 1
     networks:
       - devnet
+
 volumes:
   sqlserverdata-dev:
     driver: local
   nuget-cache-dev:
     driver: local
+  seaweedfsdata-dev:
+    driver: local
 
 networks:
   devnet:
diff --git a/web/generate-env.sh b/web/generate-env.sh
index 89200b0e..b0c8a7e5 100755
--- a/web/generate-env.sh
+++ b/web/generate-env.sh
@@ -57,6 +57,8 @@ REFRESH_TOKEN_SECRET_VAL=$(gen_jwt_secret)
 CONFIRMATION_TOKEN_SECRET_VAL=$(gen_jwt_secret)
 SMTP_USERNAME_VAL="smtp_$(gen_username)"
 SMTP_PASSWORD_VAL=$(gen_password)
+SEAWEEDFS_ACCESS_KEY_ID_VAL=$(gen_username)
+SEAWEEDFS_SECRET_ACCESS_KEY_VAL=$(gen_password)
 
 cp "$TEMPLATE_FILE" "$OUTPUT_FILE"
 
@@ -68,6 +70,8 @@ sed \
     -e "s|^CONFIRMATION_TOKEN_SECRET=.*|CONFIRMATION_TOKEN_SECRET=${CONFIRMATION_TOKEN_SECRET_VAL}|" \
     -e "s|^SMTP_USERNAME=.*|SMTP_USERNAME=${SMTP_USERNAME_VAL}|" \
     -e "s|^SMTP_PASSWORD=.*|SMTP_PASSWORD=${SMTP_PASSWORD_VAL}|" \
+    -e "s|^SEAWEEDFS_ACCESS_KEY_ID=.*|SEAWEEDFS_ACCESS_KEY_ID=${SEAWEEDFS_ACCESS_KEY_ID_VAL}|" \
+    -e "s|^SEAWEEDFS_SECRET_ACCESS_KEY=.*|SEAWEEDFS_SECRET_ACCESS_KEY=${SEAWEEDFS_SECRET_ACCESS_KEY_VAL}|" \
     "$OUTPUT_FILE" > "$TMP_FILE"
 mv "$TMP_FILE" "$OUTPUT_FILE"