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Docker Installation unter Ubuntu

Hinzufügen Repository

sudo apt install -y apt-transport-https ca-certificates curl software-properties-common
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
sudo echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Docker Installation

sudo apt update
sudo apt upgrade
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-compose

Versions-Check

docker --version

Docker Befehle

sudo systemctl enable docker
sudo systemctl start docker
sudo systemctl status docker
sudo systemctl restart docker

PostgreSQL Docker erstellen

sudo docker run --name CONTAINER NAME \
  -e POSTGRES_PASSWORD=PASSWORD \
  -e POSTGRES_USER=USER \
  -e POSTGRES_DB=DATABASE \
  -p 5432:5432 \
  -v postgres-data:/var/lib/postgresql/data \
  -d postgres:17.9

Docker aktualisieren

sudo docker update --restart unless-stopped CONTAINER NAME

Konfigurationsdatei aus Container kopieren

sudo docker cp CONTAINER NAME:/var/lib/postgresql/data/postgresql.conf ./postgresql.conf

Konfigurationsdatei in Container kopieren

sudo docker cp ./postgresql.conf CONTAINER NAME:/var/lib/postgresql/data/postgresql.conf