Merge branch 'main' into ISSUE-90

.gitignore

@@ -149,4 +149,7 @@ $RECYCLE.BIN/
 *.lnk
 
 # vscode tmp files
-.dccache
+.dccache
+
+# reference pdf's
+references/*.pdf

README.md

@@ -1,17 +1,45 @@
 # Udemy Course Docker Mastery: with Kubernetes+Swarm from a Docker Captain
 
-[![Lint Code Base](https://github.com/BretFisher/udemy-docker-mastery/actions/workflows/call-super-linter.yaml/badge.svg)](https://github.com/BretFisher/udemy-docker-mastery/actions/workflows/call-super-linter.yaml)
 
-> Build, test, deploy containers with the best mega-course on Docker, Kubernetes, Compose, Swarm and Registry using DevOps
-
-This repository is for use in my Udemy Courses "Docker Mastery" and "Swarm Mastery"
-
-NOTE: As of July 2020 the new default branch is `main`, so please update your clone if you're still on `master` branch.
-
-Get these courses for with my "cheapest on the internet" coupon links:
-
-[bretfisher.com/courses](https://www.bretfisher.com/courses)
-
-My other DevOps and Docker resources are at [bretfisher.com/docker](https://www.bretfisher.com/docker)
+> Build, test, and deploy containers with the best mega-course on Docker, Kubernetes, Compose, Swarm and Registry using a cloud native DevOps mindset
+
+This repository is for use in my Udemy Courses "[Docker Mastery](https://www.udemy.com/course/docker-mastery/?referralCode=1410924A733D33635CCB
+)" and "[Swarm Mastery](https://www.udemy.com/course/docker-swarm-mastery/?referralCode=4927D9CB156D4AE0228C)"
+
+- Get these courses with my "cheapest on the internet" coupon links: [bretfisher.com/courses](https://www.bretfisher.com/courses)
+- Get the [weekly newsletter](https://www.bretfisher.com/newsletter) on all the cloud native DevOps content I'm creating.
+
+## Course Sections
+
+1. Quick Start!
+   1. [README](./intro/README.md)
+   2. [Commands and Links](./references/S01%20Commands%20and%20Links.md)
+2. Course Introduction
+3. The Best Way to Setup Docker for Your OS
+4. Creating and Using Containers Like a Boss
+5. Container Images, Where To Find Them and How To Build Them
+6. Container Lifetime & Persistent Data: Volumes, Volumes, Volumes
+7. Making It Easier with Docker Compose: The Multi-Container Tool
+8. Swarm Intro and Creating a 3-Node Swarm Cluster
+9.  Swarm Basic Features and How to Use Them In Your Workflow
+10. Swarm App Lifecycle
+11. Container Registries: Image Storage and Distribution
+12. Docker in Production
+13. The What and Why of Kubernetes
+14. Kubernetes Architecture and Install
+15. Your First Pods
+16. Inspecting Kubernetes Resources
+17. Exposing Kubernetes Ports
+18. Kubernetes Management Techniques
+19. Moving to Declarative Kubernetes YAML
+20. Your Next Steps and The Future of Kubernetes
+21. Automated CI Workflows
+22. GitHub Actions Workflow Examples
+23. Docker Security Good Defaults and Tools
+24. Docker 19.03 Release New Features
+25. DevOps and Docker Clips
+26. Dockerfiles and Docker Images in 2022
+27. Dockerfile and Compose File Reviews
+28. Extra's, Common Questions, and Resources
 
 Feel free to create issues or PRs if you find a problem with examples in this repository!

dockerfile-sample-1/Dockerfile

@@ -4,23 +4,23 @@
 #       to match the latest standards from docker hub... but it's doing the same thing as the video
 #       describes
 
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 # all images must have a FROM
 # usually from a minimal Linux distribution like debian or (even better) alpine
 # if you truly want to start with an empty container, use FROM scratch
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
 # optional environment variable that's used in later lines and set as envvar when container is running
-ENV NGINX_VERSION   1.23.4
-ENV NJS_VERSION     0.7.11
-ENV PKG_RELEASE     1~bullseye
+ENV NGINX_VERSION   1.25.3
+ENV NJS_VERSION     0.8.2
+ENV PKG_RELEASE     1~bookworm
 
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants
-    && addgroup --system --gid 101 nginx \
-    && adduser --system --disabled-login --ingroup nginx --no-create-home --home /nonexistent --gecos "nginx user" --shell /bin/false --uid 101 nginx \
+    && groupadd --system --gid 101 nginx \
+    && useradd --system --gid nginx --no-create-home --home /nonexistent --comment "nginx user" --shell /bin/false --uid 101 nginx \
     && apt-get update \
     && apt-get install --no-install-recommends --no-install-suggests -y gnupg1 ca-certificates \
     && \
@@ -50,13 +50,13 @@ RUN set -x \
     && case "$dpkgArch" in \
         amd64|arm64) \
 # arches officialy built by upstream
-            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bullseye nginx" >> /etc/apt/sources.list.d/nginx.list \
+            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bookworm nginx" >> /etc/apt/sources.list.d/nginx.list \
             && apt-get update \
             ;; \
         *) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-            echo "deb-src [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bullseye nginx" >> /etc/apt/sources.list.d/nginx.list \
+            echo "deb-src [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bookworm nginx" >> /etc/apt/sources.list.d/nginx.list \
             \
 # new directory for storing sources and .deb files
             && tempDir="$(mktemp -d)" \

references/S008 Swarm Intro.txt

@@ -0,0 +1,113 @@
+# Swarm Intro and Creating a 3-Node Swarm Cluster
+
+## Create Your First Service and Scale it Locally
+
+docker info
+
+docker swarm init
+
+docker node ls
+
+docker node --help
+
+docker swarm --help
+
+docker service --help
+
+docker service create alpine ping 8.8.8.8
+
+docker service ls
+
+docker service ps frosty_newton
+
+docker container ls
+
+docker service update TAB COMPLETION --replicas 3
+
+docker service ls
+
+docker service ps frosty_newton
+
+docker update --help
+
+docker service update --help
+
+docker container ls
+
+docker container rm -f frosty_newton.1.TAB COMPLETION
+
+docker service ls
+
+docker service ps frosty_newton
+
+docker service rm frosty_newton
+
+docker service ls
+
+docker container ls
+
+## Creating a 3-Node Swarm Cluster
+
+http://play-with-docker.com
+
+docker info
+
+docker-machine
+
+docker-machine create node1
+
+docker-machine ssh node1
+
+docker-machine env node1
+
+docker info
+
+http://get.docker.com
+
+docker swarm init
+
+docker swarm init --advertise-addr TAB COMPLETION
+
+docker node ls
+
+docker node update --role manager node2
+
+docker node ls
+
+docker swarm join-token manager
+
+docker node ls
+
+docker service create --replicas 3 alpine ping 8.8.8.8
+
+docker service ls
+
+docker node ps
+
+docker node ps node2
+
+docker service ps sleepy_brown
+
+## Scaling Out with Overlay Networking
+
+docker network create --driver overlay mydrupal
+
+docker network ls
+
+docker service create --name psql --netowrk mydrupal -e POSTGRES_PASSWORD=mypass postgres
+
+docker service ls
+
+docker service ps psql
+
+docker container logs psql TAB COMPLETION
+
+docker service create --name drupal --network mydrupal -p 80:80 drupal
+
+docker service ls
+
+watch docker service ls
+
+docker service ps drupal
+
+docker service inspect drupal

references/S01 Quick Start.md

@@ -0,0 +1,30 @@
+# Quick Start!
+
+> Shell commands and reference links, per lecture
+
+## What is Docker? The Three Innovations
+
+- [Article of this lecture](https://github.com/BretFisher/udemy-docker-mastery/blob/main/intro/what-is-docker/what-is-docker.md)
+- [Kubernetes vs. Docker](https://www.bretfisher.com/kubernetes-vs-docker/)
+- [OCI Overview](https://opencontainers.org/about/overview/)
+
+## Quick Container Run
+
+- [Article of this lecture](https://github.com/BretFisher/udemy-docker-mastery/blob/main/intro/quick-container-run/quick-container-run.md)
+- [Play with Docker](https://labs.play-with-docker.com/)
+- [Docker Hub](https://hub.docker.com/)
+- [Docker Official Images](https://docs.docker.com/docker-hub/official_images/)
+- [Apache Official Image (httpd)](https://hub.docker.com/_/httpd)
+
+```shell
+docker version
+docker run -d -p 8800:80 httpd
+curl localhost:8800
+docker ps
+docker run -d -p 8801:80 httpd
+```
+
+## Why Docker? Why Now?
+
+- [Article of this lecture](https://github.com/BretFisher/udemy-docker-mastery/blob/main/intro/why-docker/why-docker.md)
+- [A Brief History of Containers](https://blog.aquasec.com/a-brief-history-of-containers-from-1970s-chroot-to-docker-2016)