你好,我是docker和linux的新手,我不知道如何为我的docker运行脚本以在postgress后运行
这是我的脚本:
until psql -c '\l'; do
echo >&2 "$(date +%Y%m%dt%H%M%S) Postgres is unavailable - sleeping"
sleep 1
done
echo >&2 "$(date +%Y%m%dt%H%M%S) Postgres is up - executing command"
exec ${@}
我的docker文件:
FROM node:lts-alpine
RUN mkdir -p /home/node/api/node_modules && chown -R node:node /home/node/api
WORKDIR /home/node/api
COPY wait-pg.sh ormconfig.json .env package.json yarn.* ./
USER node
RUN yarn
COPY --chown=node:node . .
EXPOSE 4000
RUN chmod +x /wait-pg.sh
CMD ["yarn", "dev"]
我的docker撰写:
version: '3.7'
services:
db-pg:
image: postgres:12
container_name: db-pg
ports:
- '${DB_PORT}:5432'
environment:
ALLOW_EMPTY_PASSWORD: 'no'
POSTGRES_USER: ${DB_USER}
POSTGRES_PASSWORD: ${DB_PASS}
POSTGRES_DB: ${DB_NAME}
volumes:
- ci-postgres-data:/data
ci-api:
build: .
container_name: ci-api
volumes:
- .:/home/node/api
- /home/node/api/node_modules
ports:
- '${SERVER_PORT}:${SERVER_PORT}'
depends_on:
- db-pg
logging:
driver: 'json-file'
options:
max-size: '10m'
max-file: '5'
volumes:
ci-postgres-data:
如果有人可以像在docker compose和dockerfile中一样帮助我。 我想知道如何将我的脚本添加到我的docker文件中,然后docker compose
答案 0 :(得分:0)
检查以下Dockerfile
FROM node:lts-alpine
RUN mkdir -p /home/node/api/node_modules && chown -R node:node /home/node/api
WORKDIR /home/node/api
COPY wait-pg.sh ormconfig.json .env package.json yarn.* ./
USER node
RUN yarn
COPY --chown=node:node . .
EXPOSE 4000
CMD ["yarn", "dev"]
请尝试以下docker-compose.yml
服务,其中depends_on
,healthcheck
和links
作为web
服务而添加,取决于db
服务。 / p>
version: "2.1"
services:
ci-api:
build: .
container_name: ci-api
volumes:
- .:/home/node/api
- /home/node/api/node_modules
ports:
- '${SERVER_PORT}:${SERVER_PORT}'
links:
- db-pg
depends_on:
- db-pg
logging:
driver: 'json-file'
options:
max-size: '10m'
max-file: '5'
db-pg:
image: postgres:12
container_name: db-pg
ports:
- '${DB_PORT}:5432'
environment:
ALLOW_EMPTY_PASSWORD: 'no'
POSTGRES_USER: ${DB_USER}
POSTGRES_PASSWORD: ${DB_PASS}
POSTGRES_DB: ${DB_NAME}
volumes:
- ci-postgres-data:/data
healthcheck:
test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER}"]
interval: 10s
timeout: 5s
retries: 5
volumes:
ci-postgres-data: