datadog

1# Datadog
2 
3Monitor infrastructure and applications with Datadog's unified observability platform.
4 
5## When to Use This Skill
6 
7Use this skill when:
8- Implementing enterprise-grade monitoring
9- Setting up APM and distributed tracing
10- Creating unified dashboards for infrastructure and apps
11- Configuring intelligent alerting
12- Monitoring cloud infrastructure (AWS, Azure, GCP)
13 
14## Prerequisites
15 
16- Datadog account and API key
17- Agent installation access
18- Application code access for APM
19 
20## Agent Installation
21 
22### Linux
23 
24```bash
25# Install agent
26DD_API_KEY=<YOUR_API_KEY> DD_SITE="datadoghq.com" bash -c "$(curl -L https://s3.amazonaws.com/dd-agent/scripts/install_script_agent7.sh)"
27 
28# Or via package manager
29apt-get update && apt-get install datadog-agent
30 
31# Configure API key
32echo "api_key: YOUR_API_KEY" >> /etc/datadog-agent/datadog.yaml
33 
34# Start agent
35systemctl start datadog-agent
36systemctl enable datadog-agent
37```
38 
39### Docker
40 
41```yaml
42# docker-compose.yml
43version: '3.8'
44 
45services:
46  datadog-agent:
47    image: gcr.io/datadoghq/agent:7
48    environment:
49      - DD_API_KEY=${DD_API_KEY}
50      - DD_SITE=datadoghq.com
51      - DD_LOGS_ENABLED=true
52      - DD_APM_ENABLED=true
53      - DD_PROCESS_AGENT_ENABLED=true
54    volumes:
55      - /var/run/docker.sock:/var/run/docker.sock:ro
56      - /proc/:/host/proc/:ro
57      - /sys/fs/cgroup/:/host/sys/fs/cgroup:ro
58    ports:
59      - "8126:8126"  # APM
60      - "8125:8125/udp"  # DogStatsD
61```
62 
63### Kubernetes
64 
65```bash
66# Using Helm
67…