Changes to Dockerfile to fix error in installing MongoDB

docker/Dockerfile

@@ -16,19 +16,13 @@ COPY src/backend/ ./src/backend/
 # Stage 3: Final production image
 FROM node:18-alpine
 
-# Install nginx and required dependencies for MongoDB
-RUN apk add --no-cache nginx \
-    && apk add --no-cache \
-    curl \
+# Install nginx and MongoDB (from the MongoDB repository)
+RUN apk add --no-cache \
+    nginx \
     bash \
-    ca-certificates \
-    && 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
+    && echo "https://repo.mongodb.org/repo/alpine-3.18/mongodb-org/5.0/main" >> /etc/apk/repositories \
+    && apk update \
+    && apk add --no-cache mongodb-org
 
 # Configure nginx
 COPY docker/nginx.conf /etc/nginx/nginx.conf
@@ -38,15 +32,20 @@ COPY --from=frontend-builder /app/dist /usr/share/nginx/html
 COPY --from=backend-builder /app/node_modules ./node_modules
 COPY --from=backend-builder /app/src/backend ./src/backend
 
-# Create necessary directories for nginx and MongoDB
+# Create necessary directories
 RUN mkdir -p /var/log/nginx && \
     mkdir -p /var/lib/nginx && \
     chown -R nginx:nginx /var/log/nginx /var/lib/nginx
 
-# Expose necessary ports
-EXPOSE 8080 8081 27017
+# MongoDB setup
+ENV MONGO_DATA_DIR=/data/db
+RUN mkdir -p $MONGO_DATA_DIR && \
+    chown -R mongodb:mongodb $MONGO_DATA_DIR
 
-# Use an entrypoint script to run services (nginx, MongoDB, Node backend)
+# Expose necessary ports
+EXPOSE 8080 8081 8082 27017
+
+# Use an entrypoint script to run services (nginx, MongoDB, and Node backend)
 COPY docker/entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 CMD ["/entrypoint.sh"]