Storing images and text on blockchain
To start private network:
testrpc
Alternatively you can run a local Rinkeby testnet node:
geth --rinkeby --rpc --rpcapi db,eth,net,web3,personal --unlock="<DEPLOYER_ADDRESS>"
Copy truffle-config.js to truffle.js and make any network config changes
To deploy contract:
truffle migrate
To run app locally :
npm run start