IMO wasting 33% of server resources is not worth the benefits you get with Docker own networking stack. It used to be worse, they have made it lil bit better. Under heavy loads Docker networking takes 20-33% of total CPU. Docker networking stack isn’t the best thing ever invented. database:/var/lib/postgresql/data # Define the DB volume volumes: POSTGRES_PASSWORD: example # Mount DB data to volume, # so we don't lose all DB data over deployments volumes: # Set DB version to run image: postgres:13.3-alpine # Restart container in case of crashes etc restart: always # Set DB to use host networking network_mode: host # Set DB env variables environment: uploads:/home/node/app/public/uploads db: # Restart container in case of crashes etc restart: always # Set API to use host networking network_mode: host # API depends on DB to be there depends_on:ĪPP_KEY: super_strok_key_no1_quezzes_it PG_PASSWORD: example PG_USER: postgres # Mount uploads to volume, # so they wont get lost over deployments # Change uploads path to wherever # you store uploads in your app # Also ensure NodeJS has write access to there # (by default Node will have it) volumes: Dockerfile can be copy-pasted from above (and missing env vars added) Can read more about Docker volumes in official doc Docker-compose template with Postgresīasic docker-compose with DB that uses Dockerfile in same directory. ^ SQLite is held in tmp/db.sqlite3 by default, so we can mount whole tmp folder to some folder in host so DB stays on the host even when container is killed and new one starts up (in case of releases). Which isn’t most likely desired wayĭocker run -e APP_KEY=super_strok_key_no1_quezzes_it -network host -v /path/on/host:/home/node/app/tmp 640b3a53c462 If you need udp, simply tack it on to the end such as -p 1234:1234/udp. Additionally, all of these publishing rules will default to tcp. Docker will automatically provide an ip and hostPort if they are omitted. Otherwise all data will be lost with every release. Essentially, you can omit either ip or hostPort, but you must always specify a containerPort to expose. This one is actually exactly the same as above. and run with docker run -e APP_KEY=super_strok_key_no1_quezzes_it -network host 640b3a53c462 where 640b3a53c462 is built container hash Docker template with SQLite
Docker network host need to expose install#
# Install only required packages RUN npm ci -production # Expose port to outside world EXPOSE 3333 # Start server up CMD # Listen to external network connections # Otherwise it would only listen in-container ones ENV HOST = 0.0.0.0 # Set port to listen ENV PORT = 3333 # Set app key at start time ENV APP_KEY = # Set home dir WORKDIR /home/node/app # Copy over built files COPY -from =builder /home/node/app/build.
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# Build AdonisJS for production RUN npm run build -production # Build final runtime container FROM node:16-alpine # Set environment variables ENV NODE_ENV =production
Docker network host need to expose code#
# Install all packages RUN npm install # Copy over source code COPY.
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# Build AdonisJS FROM node:16-alpine as builder # Set directory for all files WORKDIR /home/node/app # Copy over package.json files COPY package*.json.