Update Dockerfile

Dockerfile

@@ -1,13 +1,17 @@
-FROM golang:1.10-alpine as builder
-
-WORKDIR /go/src/github.com/ouqiang/gocron
-
-COPY . .
+FROM golang:1.15-alpine as builder
 
 RUN apk update \
-    && apk add --no-cache git ca-certificates make bash nodejs yarn
+    && apk add --no-cache git ca-certificates make bash yarn nodejs
 
-RUN make install-vue \
+RUN go env -w GO111MODULE=on && \
+    go env -w GOPROXY=https://goproxy.cn,direct
+
+WORKDIR /app
+
+RUN git clone https://github.com/ouqiang/gocron.git \
+    && cd gocron \
+    && yarn config set ignore-engines true \
+    && make install-vue \
     && make build-vue \
     && make statik \
     && CGO_ENABLED=0 make gocron
@@ -22,7 +26,7 @@ RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
 
 WORKDIR /app
 
-COPY --from=builder /go/src/github.com/ouqiang/gocron/bin/gocron .
+COPY --from=builder /app/gocron/bin/gocron .
 
 RUN chown -R app:app ./