update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 # HuggingFace Spaces Dockerfile for Overleaf with Japanese LaTeX
 #
-# FIXED: MongoDB not found - install it first!
+# FIXED: MongoDB data directory initialization
 #
 # Features:
 # - Full TeX Live 2025 with Japanese support
@@ -27,7 +27,7 @@ RUN wget -qO - https://www.mongodb.org/static/pgp/server-8.0.asc | apt-key add -
     && rm -rf /var/lib/apt/lists/*
 
 # ============================================
-# STEP 2: CREATE DIRECTORIES
+# STEP 2: CREATE DIRECTORIES WITH PROPER PERMS
 # ============================================
 RUN mkdir -p /data/{mongo,redis,overleaf,git-bridge} \
              /var/log/{mongodb,redis} \
@@ -51,39 +51,68 @@ RUN cat > /etc/my_init.d/00_start_services.sh << 'EOFSCRIPT'
 #!/bin/bash
 set -e
 
+echo "=== PREPARING MONGODB DATA DIRECTORY ==="
+# Ensure data directory exists with proper ownership
+chmod -R 777 /data/mongo
+chown -R root:root /data/mongo 2>/dev/null || true
+chmod 755 /data/mongo
+chmod 755 /data
+
+# Remove any stale lock files
+rm -f /data/mongo/mongod.lock 2>/dev/null || true
+rm -f /data/mongo/WiredTiger.lock 2>/dev/null || true
+
+# Initialize empty data directory if needed
+if [ ! -f /data/mongo/WiredTiger ]; then
+    echo "Initializing new MongoDB data directory..."
+fi
+
 echo "=== STARTING MONGODB ==="
-if ! pgrep -x mongod > /dev/null 2>&1; then
-    mongod --dbpath /data/mongo \
-          --bind_ip 127.0.0.1 \
-          --replSet overleaf \
-          --fork \
-          --logpath /var/log/mongodb/mongodb.log \
-          --port 27017 \
-          --quiet
-    
-    sleep 10
-    
-    echo "=== INITIATING REPLICA SET ==="
-    mongosh --quiet --eval "
-        try { 
-            rs.initiate({_id: 'overleaf', members: [{_id: 0, host: '127.0.0.1:27017'}]}); 
-            print('Replica set initiated');
-        } catch(e) { 
-            print('Replica set may already exist: ' + e); 
-        }
-    " 2>&1 || true
+# Start MongoDB WITHOUT fork to see full error
+mkdir -p /var/log/mongodb
+chmod 777 /var/log/mongodb
+
+# Try to start without fork for debugging
+set +e
+mongod --dbpath /data/mongo \
+       --bind_ip 127.0.0.1 \
+       --replSet overleaf \
+       --port 27017 \
+       --logpath /var/log/mongodb/mongodb.log \
+       --logAppend \
+       2>&1 &
+       
+MONGOPID=$!
+echo "MongoDB started with PID: $MONGOPID"
+
+# Wait for MongoDB to start
+sleep 15
+
+# Check if MongoDB is still running
+if ! kill -0 $MONGOPID 2>/dev/null; then
+    echo "MongoDB failed to start. Log output:"
+    cat /var/log/mongodb/mongodb.log 2>/dev/null || true
+    exit 1
 fi
 
+echo "MongoDB is running, initializing replica set..."
+mongosh --quiet --eval "
+    try { 
+        rs.initiate({_id: 'overleaf', members: [{_id: 0, host: '127.0.0.1:27017'}]}); 
+        print('Replica set initiated');
+    } catch(e) { 
+        print('Replica set may already exist: ' + e); 
+    }
+" 2>&1 || true
+
 echo "=== STARTING REDIS ==="
-if ! pgrep -x redis-server > /dev/null 2>&1; then
-    redis-server --daemonize yes \
-                 --dir /data/redis \
-                 --port 6379 \
-                 --bind 127.0.0.1 \
-                 --logfile /var/log/redis/redis.log 2>/dev/null || true
-fi
+redis-server --daemonize yes \
+             --dir /data/redis \
+             --port 6379 \
+             --bind 127.0.0.1 \
+             --logfile /var/log/redis/redis.log 2>/dev/null || true
 
-echo "=== SERVICES STARTED ==="
+echo "=== ALL SERVICES STARTED ==="
 EOFSCRIPT
 
 RUN chmod +x /etc/my_init.d/00_start_services.sh