documentation updates

docker-compose/influxdb/README.md

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+# Installation
+
+TODO: ...
+
+# Best-Practices & Post-Installation
+
+## Disable HTTP
+
+It's not secure to expose InfluxDB via the HTTP protocol. Follow these steps to enable HTTPS only.
+
+### (Option 1): Upload custom certificates
+
+TODO: Not tested in Docker-Compose...
+
+- [ ] Run the container with tls parameters
+`influxd --tls-cert=/etc/ssl/cert.pem --tls-key=/etc/ssl/cert-key.pem`
+
+### (Option 2): Use a Reverse Proxy
+
+- [] Use a Reverse Proxy to securely expose administrative services.
+
+# Additional Referfences
+
+[Official InfluxDB Documentation](https://docs.influxdata.com/influxdb/v2.1/)

docker-compose/influxdb/docker-compose.yml

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+version: '3'
+
+services:
+  influxdb:
+    container_name: influxdb
+    image: influxdb:2.1-alpine
+    ports:
+      - '8086:8086'
+    volumes:
+      - influxdb-data:/var/lib/influxdb2
+    # # Automatically setup influxdb
+    # environment:
+    #   - DOCKER_INFLUXDB_INIT_MODE=setup
+    #   - DOCKER_INFLUXDB_INIT_USERNAME=my-user
+    #   - DOCKER_INFLUXDB_INIT_PASSWORD=my-password
+    #   - DOCKER_INFLUXDB_INIT_ORG=my-org
+    #   - DOCKER_INFLUXDB_INIT_BUCKET=my-bucket
+    # # (optional) Configure Data Retention
+    #   - DOCKER_INFLUXDB_INIT_RETENTION=1w
+    # # (optional) Admin Token
+    #   - DOCKER_INFLUXDB_INIT_ADMIN_TOKEN=my-super-secret-auth-token
+    # # (optional) Configure TLS
+    # TODO: no tested
+    # command: influxd --tls-cert=/etc/ssl/cert.pem --tls-key=/etc/ssl/cert-key.pem