### Docker Compose Deployment with Autoheal

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Deploy autoheal alongside your application stack using Docker Compose. This example demonstrates how to enable autoheal for different services using labels and configure health checks.

```yaml
version: '3.8'

services:
  webapp:
    image: nginx:alpine
    labels:
      autoheal: "true"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost/"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s

  api:
    image: myapi:latest
    labels:
      autoheal: "true"
      autoheal.stop.timeout: "20"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
      interval: 15s
      timeout: 5s
      retries: 3

  database:
    image: postgres:15
    labels:
      autoheal: "true"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5

  autoheal:
    image: willfarrell/autoheal:latest
    restart: always
    network_mode: none
    environment:
      AUTOHEAL_CONTAINER_LABEL: autoheal
      AUTOHEAL_INTERVAL: 5
      AUTOHEAL_START_PERIOD: 60
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /etc/localtime:/etc/localtime:ro

```

--------------------------------

### Webhook Notifications with Docker Run

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Configure webhook notifications to receive alerts when containers are restarted. This example shows how to set up Slack, Discord, and Apprise notifications using `docker run` commands.

```bash
# Slack webhook notification
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -e WEBHOOK_URL="https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX" \
    -e WEBHOOK_JSON_KEY="text" \
    -v /var/run/docker.sock:/var/run/docker.sock \
    willfarrell/autoheal

# Webhook payload format:
# {"text": "Container myapp (abc123def456) found to be unhealthy. Successfully restarted the container!"}

# Discord webhook (use "content" as JSON key)
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -e WEBHOOK_URL="https://discord.com/api/webhooks/xxx/yyy" \
    -e WEBHOOK_JSON_KEY="content" \
    -v /var/run/docker.sock:/var/run/docker.sock \
    willfarrell/autoheal

# Apprise notification service
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -e APPRISE_URL="http://apprise-server:8000/notify/all" \
    -v /var/run/docker.sock:/var/run/docker.sock \
    willfarrell/autoheal

# Apprise payload format:
# {"title": "Autoheal", "body": "Container myapp (abc123def456) found to be unhealthy. Successfully restarted the container!"}

```

--------------------------------

### Build and Run Docker Autoheal Locally

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

These commands demonstrate how to build the Docker Autoheal image locally using `docker buildx` and then run it. The run command configures it to monitor all containers by default using the UNIX socket.

```bash
docker buildx build -t autoheal .

docker run -d \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -v /var/run/docker.sock:/var/run/docker.sock \
    autoheal
```

--------------------------------

### Run Basic Tests with Shell Script

Source: https://github.com/willfarrell/docker-autoheal/blob/main/tests/README.md

This snippet demonstrates how to navigate to the tests directory and execute the main test script. It's used for basic testing of the Docker Autoheal functionality.

```shell
cd tests
./tests.sh
```

--------------------------------

### Building and Testing Autoheal Locally

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Build the autoheal image locally for development and run the test suite to validate functionality. This includes building the image using `docker buildx` and executing the provided test script.

```bash
# Build the image locally
docker buildx build -t autoheal .

# Run local build
docker run -d \
    --name autoheal \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -v /var/run/docker.sock:/var/run/docker.sock \
    autoheal

# Run the test suite
cd tests
./tests.sh

# Test suite creates three containers:
# 1. should-keep-restarting - Unhealthy container with autoheal label (should restart)
# 2. shouldnt-restart-healthy - Healthy container with autoheal label (should NOT restart)
# 3. shouldnt-restart-no-label - Unhealthy container without label (should NOT restart)

```

--------------------------------

### Configure Autoheal with Environment Variables

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Demonstrates running the Docker Autoheal container with various environment variables to customize its behavior, including filtering, intervals, timeouts, and notification settings.

```bash
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=autoheal \
    -e AUTOHEAL_INTERVAL=5 \
    -e AUTOHEAL_START_PERIOD=30 \
    -e AUTOHEAL_DEFAULT_STOP_TIMEOUT=10 \
    -e AUTOHEAL_ONLY_MONITOR_RUNNING=false \
    -e CURL_TIMEOUT=30 \
    -e WEBHOOK_URL="https://hooks.slack.com/services/xxx/yyy/zzz" \
    -e WEBHOOK_JSON_KEY="text" \
    -e APPRISE_URL="http://apprise:8000/notify" \
    -e POST_RESTART_SCRIPT="/scripts/notify.sh" \
    -v /var/run/docker.sock:/var/run/docker.sock \
    willfarrell/autoheal

# Environment Variable Reference:
# AUTOHEAL_CONTAINER_LABEL - Label to filter containers (default: "autoheal", use "all" for all containers)
# AUTOHEAL_INTERVAL - Health check polling interval in seconds (default: 5)
# AUTOHEAL_START_PERIOD - Delay before first health check in seconds (default: 0)
# AUTOHEAL_DEFAULT_STOP_TIMEOUT - Seconds to wait for container stop during restart (default: 10)
# AUTOHEAL_ONLY_MONITOR_RUNNING - Only monitor running containers, ignore paused (default: false)
# CURL_TIMEOUT - Max seconds for Docker API requests (default: 30)
# WEBHOOK_URL - URL for restart notifications (default: "")
# WEBHOOK_JSON_KEY - JSON key for webhook payload (default: "text")
# APPRISE_URL - Apprise notification service URL (default: "")
# POST_RESTART_SCRIPT - Script to execute after container restart (default: "")
```

--------------------------------

### Run CI Tests with Specific Labels and Build Numbers

Source: https://github.com/willfarrell/docker-autoheal/blob/main/tests/README.md

This snippet shows how to run tests in a Continuous Integration environment. It involves setting an environment variable for a unique container label and passing a unique build number to the test script to ensure targeted restarts.

```shell
cd tests
export "AUTOHEAL_CONTAINER_LABEL=autoheal-123456"
./tests.sh "MY_UNIQUE_BUILD_NUMBER_123456"
```

--------------------------------

### Label Containers for Autoheal Monitoring

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Shows how to apply labels to Docker containers to enable or disable autoheal monitoring. Containers must have a HEALTHCHECK defined to be monitored. Custom stop timeouts can also be specified.

```bash
# Run a container with autoheal monitoring enabled
docker run -d \
    --name myapp \
    --label autoheal=true \
    --health-cmd="curl -f http://localhost:8080/health || exit 1" \
    --health-interval=30s \
    --health-timeout=10s \
    --health-retries=3 \
    --health-start-period=40s \
    myapp:latest

# Optionally set a custom stop timeout for this specific container
docker run -d \
    --name myapp \
    --label autoheal=true \
    --label autoheal.stop.timeout=30 \
    --health-cmd="curl -f http://localhost:8080/health || exit 1" \
    --health-interval=30s \
    myapp:latest

# Disable autoheal for a specific container (when using AUTOHEAL_CONTAINER_LABEL=all)
docker run -d \
    --name excluded-app \
    --label autoheal=False \
    myapp:latest
```

--------------------------------

### Run Docker Autoheal with UNIX Socket

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

This command demonstrates how to run the Docker Autoheal container using a UNIX socket for communication with the Docker daemon. It maps the Docker socket into the container and sets a label to monitor all containers.

```bash
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -v /var/run/docker.sock:/var/run/docker.sock \
    willfarrell/autoheal
```

--------------------------------

### Run Docker Autoheal with TCP Socket

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

This command shows how to configure Docker Autoheal to connect to the Docker daemon via a TCP socket. It requires specifying the Docker host and port, and optionally mounting certificates for secure communication.

```bash
docker run -d \
    --name autoheal \
    --restart=always \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -e DOCKER_SOCK=tcp://$HOST:$PORT \
    -v /path/to/certs/:/certs/:ro \
    willfarrell/autoheal
```

--------------------------------

### Run Docker Autoheal with TCP Socket and mTLS

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

This command illustrates running Docker Autoheal with mutual TLS (mTLS) for secure communication over a TCP socket. It requires mounting CA certificates, client certificates, and client keys, and setting specific environment variables for TLS verification.

```bash
docker run -d \
    --name autoheal \
    --restart=always \
    --tlscacert=/certs/ca.pem \
    --tlscert=/certs/client-cert.pem \
    --tlskey=/certs/client-key.pem \
    -e AUTOHEAL_CONTAINER_LABEL=all \
    -e DOCKER_HOST=tcp://$HOST:2376 \
    -e DOCKER_SOCK=tcps://$HOST:2376 \
    -e DOCKER_TLS_VERIFY=1 \
    -v /path/to/certs/:/certs/:ro \
    willfarrell/autoheal
```

--------------------------------

### Map Local Timezone to Autoheal Container

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

This command snippet shows how to map the host's local time file (`/etc/localtime`) into the Docker Autoheal container. This ensures that the container's timezone matches the host's timezone.

```bash
docker run ... -v /etc/localtime:/etc/localtime:ro
```

--------------------------------

### Custom Label-Based Filtering with Docker Compose

Source: https://context7.com/willfarrell/docker-autoheal/llms.txt

Use custom labels to create separate autoheal instances for different container groups. This allows for granular control over which containers are monitored by specific autoheal instances.

```yaml
version: '3.8'

services:
  critical-app:
    image: critical:latest
    labels:
      autoheal-critical: "true"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost/health"]
      interval: 10s
      timeout: 5s
      retries: 2

  background-worker:
    image: worker:latest
    labels:
      autoheal-workers: "true"
    healthcheck:
      test: ["CMD", "pgrep", "-f", "worker"]
      interval: 30s
      timeout: 10s
      retries: 3

  autoheal-critical:
    image: willfarrell/autoheal:latest
    restart: always
    environment:
      AUTOHEAL_CONTAINER_LABEL: autoheal-critical
      AUTOHEAL_INTERVAL: 3
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock

  autoheal-workers:
    image: willfarrell/autoheal:latest
    restart: always
    environment:
      AUTOHEAL_CONTAINER_LABEL: autoheal-workers
      AUTOHEAL_INTERVAL: 15
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock

```

--------------------------------

### Docker Compose Configuration for Autoheal

Source: https://github.com/willfarrell/docker-autoheal/blob/main/README.md

This Docker Compose configuration defines a service for Docker Autoheal. It specifies the image, restart policy, volume mounts for the Docker socket and local time, and environment variables to control which containers are monitored.

```yaml
services:
  app:
    extends:
      file: ${PWD}/services.yml
      service: app
    labels:
      autoheal-app: true

  autoheal:
    deploy:
      replicas: 1
    environment:
      AUTOHEAL_CONTAINER_LABEL: autoheal-app
    image: willfarrell/autoheal:latest
    network_mode: none
    restart: always
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /var/run/docker.sock:/var/run/docker.sock
```

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