Start up Emulators

NOTE:- To Run the webpage First you need to start Emulators to load the Database You can start the emulators in different mode.

To Start all the emulators at a time we can use the command firebase emulators:start

By including --only flag will Limit which emulators to start. Supply a comma-separated list of emulator names, specifying one or more of 'auth', 'database', 'firestore', 'functions', 'hosting', or 'pubsub'.
Example:-firebase emulators:start --only firestore will start the firestore emulator only.

Import Data to Emulators

To import data to emulators there should be a pre-exisiting data file which contains data about respective Emulators.
we can get the data file by exporting it from the database emualators(if your are using for first time the must be created).
To import data we can use the command in terminal while starting the emulators firebase emulators:start --import=file_name, the file name can be any thing if the file exist in the project folder then the data from it is imported to the firebase local emulators.

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To export data from Local Emulators use the command firebase emulators:export file_name
if the path is specified for the file the data is stored at the particular location else it will be in the stored in the project file itself
if the file_name is already exisiting the data in the file is overidded else the new file will be created if the file isn't exist already.