Request context from getServerSideProps

The docs of tRPC context https://trpc.io/docs/v10/context
export async function createContext(opts: trpcNext.CreateNextContextOptions) {
export async function createContext(opts: trpcNext.CreateNextContextOptions) {
But how to use this function from getServerSideProps (in order to use SSG helpers)?
Request Context | tRPC
The createContext() function is called for each request and the result is propagated to all resolvers. You can use this to pass contextual data down to the resolvers.