Improve Dockerfile

.dockerignore

@@ -2,4 +2,5 @@
 .gitignore
 .dockerignore
 *.md
-*.txt
+*.txt
+*.yml

Dockerfile

@@ -1,6 +1,6 @@
-FROM --platform=$BUILDPLATFORM golang:alpine AS build
+FROM --platform=$BUILDPLATFORM docker.io/golang:latest AS build
 
-WORKDIR /app/
+WORKDIR /src
 
 RUN apk --no-cache add ca-certificates
 
@@ -9,8 +9,14 @@ COPY . .
 ARG TARGETOS TARGETARCH
 
 RUN GOPROXY=https://proxy.golang.org,https://goproxy.cn go mod download && \
-	CGO=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags "-s -w"
+	CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags "-s -w" -o /src/hyperpipe-backend
+
+FROM scratch as bin
+
+WORKDIR /app
+COPY --from=build /etc/ssl/certs/cacertificates.crt /etc/ssl/certs/
+COPY --from=build /src/hyperpipe-backend .
 
 EXPOSE 3000
 
-CMD ./hyperpipe-backend
+CMD ./hyperpipe-backend