Fix nginx error log and debug Redis URL format

Dockerfile

@@ -25,6 +25,9 @@ COPY start.sh /app/code/
 COPY healthcheck.js /app/code/
 COPY nginx.conf /etc/nginx/sites-available/default
 
+# Override nginx global error log to prevent read-only filesystem error
+RUN sed -i 's|error_log /var/log/nginx/error.log;|error_log /dev/stderr;|' /etc/nginx/nginx.conf
+
 # Make scripts executable
 RUN chmod +x /app/code/start.sh /app/code/healthcheck.js
 

start.sh

@@ -38,9 +38,14 @@ echo "=> Configuring Redis..."
 # The CLOUDRON_REDIS_URL is in format: redis://:password@host:port
 # We need to ensure it's in the correct format for ioredis
 
+# Debug: Print the original Redis URL
+echo "=> Original CLOUDRON_REDIS_URL: ${CLOUDRON_REDIS_URL}"
+
 if [ -n "${CLOUDRON_REDIS_URL}" ]; then
-    # Extract components from the URL
-    # Format: redis://:password@host:port/database
+    # Try to use the original URL first and see if it's valid
+    export REDIS_URL="${CLOUDRON_REDIS_URL}"
+    
+    # Also extract components for individual env vars
     REDIS_PASSWORD=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://:\([^@]*\)@.*|\1|p')
     REDIS_HOST=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://[^@]*@\([^:]*\):.*|\1|p')
     REDIS_PORT=$(echo "$CLOUDRON_REDIS_URL" | sed -n 's|redis://[^@]*@[^:]*:\([0-9]*\).*|\1|p')
@@ -54,20 +59,18 @@ if [ -n "${CLOUDRON_REDIS_URL}" ]; then
     export REDIS_HOST="${REDIS_HOST}"
     export REDIS_PORT="${REDIS_PORT}"
     export REDIS_PASSWORD="${REDIS_PASSWORD}"
-    
-    # Also export the full URL in case it's needed - try different formats
-    export REDIS_URL="redis://:${REDIS_PASSWORD}@${REDIS_HOST}:${REDIS_PORT}"
     export REDIS_DB="0"
     
     echo "=> Redis configured: host=${REDIS_HOST}, port=${REDIS_PORT}"
-    echo "=> Final Redis URL: ${REDIS_URL}"
+    echo "=> Using Redis URL: ${REDIS_URL}"
+    
+    # Try alternative formats if the original fails
+    if [ -z "$REDIS_PASSWORD" ]; then
+        export REDIS_URL="redis://${REDIS_HOST}:${REDIS_PORT}"
+    fi
 else
-    echo "=> Warning: Redis URL not provided"
-    # Set dummy Redis URL to prevent validation errors
-    export REDIS_URL="redis://localhost:6379"
-    export REDIS_HOST="localhost"
-    export REDIS_PORT="6379"
-    export REDIS_PASSWORD=""
+    echo "=> Error: Redis URL not provided by Cloudron"
+    exit 1
 fi
 
 # Email configuration