remove extra builder in dockerfile

Dockerfile

@@ -1,33 +1,18 @@
 # syntax=docker/dockerfile:1
-#build stage
 
-FROM golang:alpine AS builder
 FROM golang:1.18
-RUN apk add --no-cache git
 
-WORKDIR /go/src/app
 WORKDIR /wotlk
 COPY . .
-COPY . .
-RUN go get -d -v ./...
 
-RUN go build -o /go/bin/app -v ./...
 RUN apt-get update
-
 RUN apt-get install -y protobuf-compiler
-#final stage
 RUN go get -u google.golang.org/protobuf
-FROM alpine:latest
 RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
-RUN apk --no-cache add ca-certificates
 
-COPY --from=builder /go/bin/app /app
 RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash
-ENTRYPOINT /app
 
-LABEL Name=wotlk Version=0.0.1
 ENV NODE_VERSION=14.18.3
-EXPOSE 8080
 ENV NVM_DIR="/root/.nvm"
 RUN . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION}
 RUN . "$NVM_DIR/nvm.sh" && nvm use v${NODE_VERSION}