ci: 优化镜像构建和docker compose

Dockerfile

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+# 构建前端资源
+FROM node:18-alpine3.16 as fe-builder
+
+WORKDIR /mayfly
+
+COPY mayfly_go_web .
+
+RUN yarn
+
+RUN yarn build
+
+# 构建后端资源
+FROM golang:1.20-alpine3.16 as be-builder
+
+ENV GOPROXY https://goproxy.cn
+WORKDIR /mayfly
+
+# Copy the go source for building server
+COPY server .
+
+RUN go mod download
+
+COPY --from=fe-builder /mayfly/dist /mayfly/static/static
+
+# Build
+RUN GO111MODULE=on CGO_ENABLED=0 GOOS=linux \
+    go build -a \
+    -o mayfly-go main.go
+
+FROM alpine:3.16
+
+RUN apk add --no-cache ca-certificates bash expat
+
+WORKDIR /mayfly
+
+COPY --from=be-builder /mayfly/mayfly-go /usr/local/bin/mayfly-go
+
+CMD ["mayfly-go"]