build(docker): bump node to 18.18.2, golang to 1.21.3 and apline to 3.18

Dockerfile

@@ -1,7 +1,7 @@
 # build method: just run `docker build --rm -t genshen/wssocks .`
 
 # build frontend code
-FROM node:14.15.4-alpine3.12 AS web-builder
+FROM node:18.18.2-alpine3.18 AS web-builder
 
 COPY status-web web/
 
@@ -10,15 +10,15 @@ RUN cd web \
     && yarn build
 
 ## build go binary
-FROM golang:1.15.7-alpine3.13 AS builder
+FROM golang:1.21.3-alpine3.18 AS builder
 
 ARG PACKAGE=github.com/genshen/wssocks
 ARG BUILD_FLAG="-X 'github.com/genshen/wssocks/version.buildHash=`git rev-parse HEAD`' \
  -X 'github.com/genshen/wssocks/version.buildTime=`date`' \
  -X 'github.com/genshen/wssocks/version.buildGoVersion=`go version | cut -f 3,4 -d\" \"`'"
 
 RUN apk add --no-cache git \
-    && go get -u github.com/rakyll/statik
+    && go install github.com/rakyll/statik@v0.1.7
 
 COPY ./  /go/src/${PACKAGE}/
 COPY --from=web-builder web/build /go/src/github.com/genshen/wssocks/web-build/
@@ -31,7 +31,7 @@ RUN cd ./src/${PACKAGE} \
     && go install
 
 ## copy binary
-FROM alpine:3.13.0
+FROM alpine:3.18.0
 
 ARG HOME="/home/wssocks"