Changes to Dockerfile to fix error in installing MongoDB

docker/Dockerfile

@@ -16,13 +16,19 @@ COPY src/backend/ ./src/backend/
 # Stage 3: Final production image
 FROM node:18-alpine
 
-# Install nginx
+# Install nginx and required dependencies for MongoDB
-RUN apk add --no-cache nginx
+RUN apk add --no-cache nginx \
-
+    && apk add --no-cache \
-# Install MongoDB (from MongoDB's official repositories for Alpine)
+    curl \
-RUN echo "https://repo.mongodb.org/apk/alpine/v5.0/main" > /etc/apk/repositories \
+    bash \
-    && apk update \
+    ca-certificates \
-    && apk add --no-cache mongodb-org
+    && curl -fsSL https://repo.mongodb.org/apk/alpine/v5.0/main/x86_64/mongodb-org-5.0.7-alpine3.13.tar.gz -o mongodb.tar.gz \
+    && tar -xvzf mongodb.tar.gz -C /usr/local \
+    && rm mongodb.tar.gz \
+    && ln -s /usr/local/mongodb-org-5.0.7/bin/* /usr/local/bin/ \
+    && mkdir -p /data/db \
+    && mkdir -p /var/log/mongodb \
+    && chown -R mongodb:mongodb /data/db /var/log/mongodb
 
 # Configure nginx
 COPY docker/nginx.conf /etc/nginx/nginx.conf
@@ -37,15 +43,10 @@ RUN mkdir -p /var/log/nginx && \
     mkdir -p /var/lib/nginx && \
     chown -R nginx:nginx /var/log/nginx /var/lib/nginx
 
-# MongoDB setup
+# Expose necessary ports
-ENV MONGO_DATA_DIR=/data/db
-RUN mkdir -p $MONGO_DATA_DIR && \
-    chown -R mongodb:mongodb $MONGO_DATA_DIR
-
-# Expose necessary ports (nginx on 8080, Node.js backend on 8081, MongoDB on 27017)
 EXPOSE 8080 8081 27017
 
-# Use an entrypoint script to run services (nginx, MongoDB, and Node backend)
+# Use an entrypoint script to run services (nginx, MongoDB, Node backend)
 COPY docker/entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 CMD ["/entrypoint.sh"]