Docker Hub

# Step 1: Create account at hub.docker.com

# Step 2: Login from terminal
docker login
# Enter username and password when prompted

# Step 3: Tag your image with your Docker Hub username
# Format: username/repository:tag
docker tag my-app yourusername/my-app:latest
docker tag my-app yourusername/my-app:1.0.0

# Step 4: Push the image
docker push yourusername/my-app:latest
docker push yourusername/my-app:1.0.0

# Step 5: Pull from anywhere
docker pull yourusername/my-app:latest

# Logout when done
docker logout

# Search Docker Hub from CLI
docker search nginx
docker search postgres
docker search --filter=is-official=true node

# Pull official images
docker pull nginx
docker pull node:18
docker pull postgres:15
docker pull redis:7
docker pull mongo:6
docker pull python:3.11
docker pull ubuntu:22.04
docker pull alpine:3.18