DOCKERS — Docker & Containerization Training
Last reviewed: 2026-05-29
Purpose: Comprehensive Docker training covering Docker fundamentals, Docker Compose, container networking, Kubernetes basics, and advanced topics including observability stacks, Apache Pinot analytics, and self-hosted services.
Overview
This is the largest training module with 78 files across 36 subfolders. It covers the full Docker ecosystem — from installation and container management to complex multi-service stacks with observability, streaming, and database backends.
Folder Structure
Root Level
| Resource | Type | Size | Description |
|---|---|---|---|
slides-getting-started.pdf |
7.6 MB | Docker getting-started slide deck | |
first-demo-starting-setup.zip |
ZIP | 3 KB | Code for first Docker demo |
InstallPostgresInDockers.docx |
Word | 5 KB | Instructions for running PostgreSQL in Docker |
docker.txt |
Text | 2 KB | CLI history log showing Docker installation and commands |
COMPOSE IMAGES — 30 subfolders, 60 files
Common Services
| Subfolder | Files | Description |
|---|---|---|
postgresql/ |
2 | Docker Compose for PostgreSQL with pgAdmin (docker-compose.yml + variant) |
postgre/ |
2 | Additional PostgreSQL compose setups |
drupal/ |
1 | Drupal CMS docker-compose.yml |
excalidraw/ |
1 | Excalidraw collaborative whiteboard (docker_compose_exca.yaml) |
email/ |
1 | Email service compose (docker_compose.yaml) |
openwebui/ |
1 | OpenWebUI for LLM chat (openwebui.yaml) |
HomeAssistand and Mosquitto/ |
1 | Home Assistant + Mosquitto MQTT (homeAssistant1.yaml, 3 KB) |
nats/ |
— | Empty folder — placeholder for NATS messaging |
mssql_install.txt |
— | Shell commands for running MS SQL Server 2019/2022 in Docker containers |
Observability Stack — OPENTELEMETRY (10 subfolders, 12 files)
A full observability stack using OpenTelemetry, Prometheus, Grafana, Alertmanager, and Jaeger:
| Subfolder | Files | Description |
|---|---|---|
| Root | 4 | prometheus.yml, docker-compose.yml, reloadPrometheus.sh, otel-collector-config.yaml |
rule/ |
2 | recording_rules.yaml, alert.yaml — Prometheus recording rules and alerts |
prometheus-data/rule/ |
1 | Duplicate alert.yaml for Prometheus data directory |
grafana/provisioning/datasources/ |
1 | datasources.yml — auto-configured data sources |
grafana/provisioning/dashboards/ |
1 | dashboards.yml — auto-provisioned dashboards |
alertmanager/ |
1 | alertmanager.yml — alert routing configuration |
elasticsearch-data/ |
— | Empty — placeholder for ES storage |
grafana-data/ |
— | Empty — placeholder for Grafana storage |
Services covered: OpenTelemetry Collector, Prometheus metrics, Grafana dashboards, Alertmanager, Jaeger distributed tracing.
Streaming & Data — KAFKA, KSQL, PINOT
| Subfolder | Files | Description |
|---|---|---|
kafka/ |
3 | Kafka compose, xeotec-compose for Kafka streaming, Pinot table batch |
ksql/ |
5 | SQL scripts: JointTables.sql, SplitString.sql, CreateFMNEAEvents*.sql, CreateJOBID.sql |
pinot/ |
29 | Apache Pinot — real-time OLAP analytics engine |
Apache Pinot Sub-Content Breakdown
The pinot directory contains a full Apache Pinot setup:
- Root:
InferSchemaFromjson.sh,docker-compose_ApachePinot.yml,UploadTableConfig.sh,ConfigPinot.sh - SQL/:
PinotQueries.sql— example Pinot queries - pinot-quick-start/:
batch-job-specs.yml,transcript-table-offline.json,transcript-schema.json,rawdata/transcript.csv— quick-start demo with transcript data - fnmea_events/:
CheckIn.json,CheckOut.json,checkout_events.json,event.json— FMEA event data samples - config/: 10 JSON files — table schemas and configs for meta_events, jobid_meta_events, fnmea_events, checkin/checkout events
- meta_event/:
InferMetaEventFromjson.sh,event.json,PinotMetaEventsAddTable.bat - event-tables/:
fnmea-events-table-OFFLINE.json,fnmea-events-table-schema.json,fnmea-events-table.json
NETWORKING — 2 subfolders, 5 files
Docker networking training content:
| Resource | Description |
|---|---|
networks-starting-setup.zip |
ZIP archive (2 KB) of networking demo code |
networks-starting-setup/Dockerfile |
Dockerfile for networking demo (95 B) |
networks-starting-setup/app.js |
Node.js app (2 KB) for network demo |
networks-starting-setup/package.json |
Node dependencies |
networks-starting-setup/models/favorite.js |
Model module (240 B) |
KUBERNETES — 3 files
Introduction to Kubernetes content:
| Resource | Size | Description |
|---|---|---|
Cheat-Sheet-Kubernetes.pdf |
52 KB | Kubernetes command cheat sheet |
slides-kubernetes-intro.pdf |
551 KB | Kubernetes introductory slide deck |
SECTION 2 — 2 files
Docker images and containers deep-dive:
| Resource | Size | Description |
|---|---|---|
slides-images-containers.pdf |
146 KB | Slide deck on Docker images and containers |
Cheat-Sheet-Images-Containers.pdf |
60 KB | Docker images/containers cheat sheet |
Key Technologies Covered
| Topic | Details |
|---|---|
| Docker Installation | Ubuntu Docker CE install via apt, GPG key setup |
| Container Management | run, ps, exec, build, images, push/pull |
| Docker Compose | PostgreSQL, pgAdmin, Drupal, Kafka, Excalidraw, Home Assistant |
| Observability | OpenTelemetry Collector, Prometheus, Grafana, Alertmanager, Jaeger |
| MS SQL Server | SQL Server 2019/2022 in Docker with custom collation |
| Apache Pinot | Real-time OLAP — schema inference, table creation, batch ingestion |
| Kafka Streaming | Kafka compose, ksqlDB SQL scripts |
| Docker Networking | Custom Dockerfiles, Node.js app networking |
| Kubernetes | Intro slides, cheat sheet, config references |