Docker for Developers, Dockerize React, Node, Mongo and more

Learn to run a simple docker sample, see how the pieces work together, and follow step-by-step commands in upcoming classes to understand each step.

Learn to configure Docker settings, including startup options, update checks, resource allocation (cpu, memory, swap), file sharing, proxy, and experimental engine features, then apply changes and restart.

Learn to run your first Docker container with the Docker UI, create an image, start and stop the container, view logs, and access the app on localhost:80.

Understand how to pull and inspect a docker hub image, examine the dockerfile, and trace a multi-stage build—from python and node on alpine to a final nginx-based container.

Practical docker basics for developers: pull, run, name and manage containers, stop and remove them, list images and containers, and clean up to keep your system pristine.

Pull a MongoDB image from Docker Hub and run with port mapping 27017, connect to localhost:27017 to create a database and collection, then restart to observe persistence depends on volumes.

Map a local host folder to MongoDB's data directory to persist databases across container restarts, using docker run volume mapping and port forwarding.

Learn to dockerize a node express app, run it in a container, and map ports with volumes to serve files and reflect code changes.

Learn how to map container ports, demonstrating that multiple containers can run on the same host using different host ports while serving the same image.

Learn to set a container's working directory with the -w flag, start shells inside the image, and run apps from the mapped project directory where package.json lives.

Create your first dockerfile for a node express app, copy files, install dependencies, expose port 3000, and run via docker build and run.

Create a MongoDB container and connect it to a local Node app using the MongoDB driver installed via npm, then test the connection with a ping to the admin database.

Discover how the .dockerignore file prevents copying node_modules and secrets into your image, keeping builds clean and modules sourced from npm, and preventing container pollution.

Build and run a dockerized node application, link it to a Mongo DB container, and fix localhost networking by using the container name for a reliable connection.

Learn to create a docker bridge network, name it, and connect a Mongo container and a Node container to that network to enable a containerized app.

Fix legacy errors in the MongoDB driver by avoiding per-request reconnect and keeping the connection open, while rebuilding and running a docker image to apply changes.

Create a docker compose file to orchestrate a node and Mongo setup, defining version 3.7, networks, services, builds, and port mappings like 2000:3000 and 27017.

Build and start containers with docker compose, ensuring MongoDB is ready before the node service via depends_on. Rebuild on changes and monitor logs to confirm the connection.

Manage docker compose workflows with up, down, start, stop, and logs, learning how to view logs, see container status, and remove or recreate containers as needed.

Learn to replace hardcoded values with environment variables in a docker-compose setup, read those variables in a Node app, and rebuild and run the service to reflect changes.

Remove unnecessary networks and let Docker Compose create and manage a single internal network, ensuring services can communicate without explicit network declarations.

Scaffold the application by creating a docker project folder with separate front-end and back-end directories, initialize the React app with npm, and prepare the project for development.

Learn to commit code to GitHub by creating a new private repository, removing existing git tracking, and pushing the frontend and backend files with an initial commit.

Transition from npm to yarn in the project, clean up the backend setup, and install express with yarn to add the necessary dependencies for the server.