Docker

• [[Podman]]
• [[Kubernetes]]
• [[Docker-Compose]]

Examples

- [Docker Run Reference](https://docs.docker.com/engine/reference/commandline/run/)
- Run a Container and remove after:
  ```bash
  docker run --rm -it ubuntu:latest bash
  ```
- Expose port **container:8080** on **host:80**:
  ```bash
  docker run --rm -it  -p 80:8080 ubuntu:latest bash
  ```
- Mount a volume:
  https://docs.docker.com/storage/volumes/
  ```bash
  docker run --rm -it  -v /local/path:/mount/path ubuntu:latest bash
  ```
- Delete all images [source](https://stackoverflow.com/questions/44785585/docker-how-to-delete-all-local-docker-images):
  ```bash
  docker rmi -f $(docker images -aq)
  ```

• Capabilities

  • https://man7.org/linux/man-pages/man7/capabilities.7.html

• Dockerfile

  • https://docs.docker.com/develop/develop-images/dockerfile_best-practices/

• Multi-Stage Builds

  • https://docs.docker.com/develop/develop-images/multistage-build/

WORKDIR /go/src/github.com/alexellis/href-counter/
RUN go get -d -v golang.org/x/net/html
COPY app.go .

RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app . FROM alpine:latest
RUN apk --no-cache add ca-certificates 
WORKDIR /root/
COPY --from=builder /go/src/github.com/alexellis/href-counter/app .
CMD ["./app"]

NFS

- Mount an NFS Volume with Docker Compose
  
  ```yaml
  version: '2'
  volumes:
  nfs_volume_name:
    driver: local
    driver_opts:
      type: nfs4
      o: "addr=192.168.0.xxx,rw,noatime,rsize=8192,wsize=8192,tcp,timeo=14"
      device: ":path/to/volume"
  services:
  image_name:
    image: "image:latest"
    volumes:
      - nfs_volume_name:/data/test_nfs
  ```
- https://stackoverflow.com/questions/45282608/how-to-directly-mount-nfs-share-volume-in-container-using-docker-compose-v3
  
  ```yaml
  version: "3.2"
  
  services:
  rsyslog:
    image: jumanjiman/rsyslog
    ports:
      - "514:514"
      - "514:514/udp"
    volumes:
      - type: volume
        source: example
        target: /nfs
        volume:
          nocopy: true
  volumes:
  example:
    driver_opts:
      type: "nfs"
      o: "addr=10.40.0.199,nolock,soft,rw"
      device: ":/docker/example"
  ```

Docker Compose

- [Documentation](https://docs.docker.com/compose/)

Registry

- [Documentation](https://docs.docker.com/registry/)

Network

- https://iximiuz.com/en/posts/container-networking-is-simple/
-