Update Dockerfile - Change Golang version

Dockerfile

@@ -1,47 +1,4 @@
-# /************************************************************************
- #  File: Dockerfile
- #  Author: mdr0id
- #  Date: 9/3/2019
- #  Description:  Used for devs that have not built zcashd or lightwalletd on
- #                on existing system
- #  USAGE:
- #
- #  To build image: make docker_img
- #  To run container: make docker_image_run
- #  
- #  This will place you into the container where you can run zcashd, zcash-cli, 
- #  lightwalletd server etc..
- #
- #  First you need to get zcashd sync to current height on testnet, from outside container:
- #  make docker_img_run_zcashd
- #
- #  Sometimes you need to manually start zcashd for the first time, from inside the container:
- #  zcashd -printtoconsole   
- #
- #  Once the block height is at least 280,000 you can go ahead and start lightwalletd
- #  make docker_img_run_lightwalletd_insecure_server
- #  
- #  If you need a random bash session in the container, use:
- #  make docker_img_bash
- #
- #  If you get kicked out of docker or it locks up...
- #  To restart, check to see what container you want to restart via docker ps -a
- #  Then, docker restart <container id>
- #  The reattach to it, docker attach <container id>
- #
- #  Known bugs/missing features/todos:
- #
- #  *** DO NOT USE IN PRODUCTION ***
- #  
- #  - Create docker-compose with according .env scaffolding 
- #  - Determine librustzcash bug that breaks zcashd alpine builds at runtime
- #  - Once versioning is stable add config flags for images
- #  - Add mainnet config once lightwalletd stack supports it 
- #
- # ************************************************************************/
-
-# Create layer in case you want to modify local lightwalletd code
-FROM golang:1.17 AS lightwalletd_base
+FROM golang:1.22 AS lightwalletd_base
 
 ADD . /go/src/github.com/zcash/lightwalletd
 WORKDIR /go/src/github.com/zcash/lightwalletd