When I run my dockerfile with docker build
and docker run
, it's working great. But when I create a docker-compose.yml
file to connect mongoDB I got an Error.
ERROR: failed to solve: rpc error: code = Unknown desc = failed to compute cache key: failed to walk /var/lib/docker/tmp/buildkit-mount285447202/backend: lstat /var/lib/docker/tmp/buildkit-mount285447202/backend: no such file or directory
.
Here my docker-compose code:
version: "3"
services:
backend:
build:
context: ./docker
dockerfile: Dockerfile.backend
container_name: backend
ports:
- '8081:8081'
links:
- mongodb
mongodb:
container_name: mongodb
image: mongo
ports:
- '27017:27017'
Here is my dockerfile code:
FROM node:14-alpine AS builder
WORKDIR /app
COPY backend/package.json backend/package-lock.json ./
RUN npm install
COPY backend/src/ ./src
COPY backend/.env ./
COPY backend/.babelrc ./
RUN mkdir -p build/src
RUN npm run build
FROM node:alpine AS runner
WORKDIR /app
RUN apk add --no-cache \
chromium \
nss \
freetype \
harfbuzz \
ca-certificates \
ttf-freefont
ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
RUN npm install puppeteer@10.0.0
RUN addgroup -S pptruser && adduser -S -g pptruser pptruser \
&& mkdir -p /home/pptruser/Downloads /app \
&& chown -R pptruser:pptruser /home/pptruser \
&& chown -R pptruser:pptruser /app
# USER pptruser
USER root
COPY --from=builder /app/package.json ./
COPY --from=builder /app/package-lock.json ./
COPY --from=builder /app/.env ./
COPY --from=builder /app/build ./build
COPY --from=builder /app/node_modules ./node_modules
EXPOSE 8081
CMD ["node", "build/src/index.js"]
I got ERROR at:
=> ERROR [builder 3/9] COPY backend/package.json backend/package-lock.json ./ 0.0s
=> CACHED [builder 4/9] RUN npm install 0.0s
=> ERROR [builder 5/9] COPY backend/src/ ./src 0.0s
=> ERROR [builder 6/9] COPY backend/.env ./ 0.0s
=> ERROR [builder 7/9] COPY backend/.babelrc ./ 0.0s
My directory:
|-docker-compose.yml
|-backend
| |-src
| |-package.json
| |-package-lock.json
| |-build
| |-...
|-docker
| |-Dockerfile.backend
| |-Dockerfile.frontend
|....
CodePudding user response:
This usually happens when the Dockerfile
can't find the folder, e.g.
Dockerfile:
FROM alpine:3.8
COPY backend /tmp
Execution:
$ docker build .
Sending build context to Docker daemon 2.048kB
Step 1/2 : FROM alpine:3.8
---> c8bccc0af957
Step 2/2 : COPY backend /tmp
COPY failed: stat /var/lib/docker/tmp/docker-builder736780062/backend: no such file or directory
Make sure the context
folder(here yours is docker
) to have the backend
folder.
For you, the correct way should be:
version: "3"
services:
backend:
build:
context: .
dockerfile: docker/Dockerfile.backend