docker - 使用 docker build 构建图像很好，但是 stat/GO/src/main : no such file or directory encountered with docker-compose

Question

我有一个 Dockerfile，我可以从中成功构建镜像:

FROM iron/go:dev
RUN mkdir /app
COPY src/main/main.go /app/.
# Set an env var that matches your github repo name, replace treeder/dockergo here with your repo name
ENV SRC_DIR=/app
# Add the source code:
ADD . $SRC_DIR
# Build it:
RUN go get goji.io
RUN go get gopkg.in/mgo.v2
RUN cd $SRC_DIR; go build -o main
ENTRYPOINT ["/app/main"]

但是，当我尝试构建以下 docker-compose.yml 文件时:

version: "3.3"

services:
  api:
    build: ./api
    expose:
      - '8080'
    container_name: 'api'
    ports:
      - "8082:8080"
    depends_on:
      - db
    networks:
      - api-net

  db:
    build: ./db
    expose:
      - '27017'
    container_name: 'mongo'
    ports:
      - "27017:27017"
    networks:
      - api-net

networks:
  api-net:
    driver: bridge

我得到:

Removing api mongo is up-to-date Recreating

532e3cf66460_carsupermarket_api_1 ... error

ERROR: for 532e3cf66460_carsupermarket_api_1 Cannot start service api: OCI runtime create failed: container_linux.go:348: starting container process caused "exec: \"/GO/src/main\": stat /GO/src/main: no such file or directory": unknown

ERROR: for api Cannot start service api: OCI runtime create failed: container_linux.go:348: starting container process caused "exec: \"/GO/src/main\": stat /GO/src/main: no such file or directory": unknown ERROR: Encountered errors while bringing up the project.

我怀疑 docker-compose 在目录构建路径方面引入了一些细微差别，但是，我不知道为什么在使用 docker build 时我的图像是从 docker 文件构建的。，但是当我尝试将其合并到 docker-compose 时失败了。

有人能指出我做错了什么的正确方向吗？

Answer 1

我已经升级到最新版本的 Docker CE(18.03.1-ce，build 9ee9f40)，这似乎解决了这个问题。