Add Docker Compose instructions

Author: maxvp

src/content/docs/cloudflare-one/connections/connect-devices/warp/user-side-certificates/manual-deployment.mdx

@@ -439,11 +439,13 @@ To install a certificate for use in a Docker container:
 
    <Tabs> <TabItem label="Dockerfile">
 
-   1. Add the certificate to the Docker build process. For example:
+   To add the certificate during the build process:
+
+   1. Modify the Dockerfile. For example:
 
       ```docker title="Red Hat-based images"
       FROM registry.access.redhat.com/ubi9/ubi:latest
-      # Or use: FROM centos:7 or FROM fedora:38
+      # Or FROM centos:7 or FROM fedora:38
 
       # Install necessary certificates package
       RUN dnf install -y ca-certificates
@@ -455,6 +457,7 @@ To install a certificate for use in a Docker container:
 
       ```docker title="Debian-based images"
       FROM debian:12
+      # Or FROM ubuntu:22.04
 
       # Install necessary certificates package
       RUN apt-get update && apt-get install -y ca-certificates
@@ -495,6 +498,40 @@ To install a certificate for use in a Docker container:
 
    <TabItem label="Docker Compose">
 
+   To add the certificate during runtime:
+
+   1. Add the certificate to your `docker-compose.yml` file. For example:
+
+      ```diff lang="yaml" title="Red Hat-based images"
+      version: '3'
+      services:
+      	redhat-app:
+      		image: registry.access.redhat.com/ubi9/ubi:latest
+      +		volumes:
+      +			- /path/to/certificate.pem:/etc/pki/ca-trust/source/anchors/certificate.pem
+      +		entrypoint: /bin/sh -c "dnf install -y ca-certificates && update-ca-trust extract && app start"
+      ```
+
+      ```diff lang="yaml" title="Debian-based images"
+      version: '3'
+      services:
+      	debian-app:
+      		image: debian:12
+      +		volumes:
+      +			- /path/to/certificate.pem:/usr/local/share/ca-certificates/certificate.crt
+      +		entrypoint: /bin/sh -c "apt-get update && apt-get install -y ca-certificates && update-ca-certificates && app start"
+      ```
+
+      ```diff lang="yaml" title="Alpine-based images"
+      version: '3'
+      services:
+      	alpine-app:
+      		image: alpine:3.18
+      +		volumes:
+      +			- /path/to/cert.pem:/usr/local/share/ca-certificates/cert.pem
+      +		entrypoint: /bin/sh -c "apk add --no-cache ca-certificates && update-ca-certificates && app start"
+      ```
+
    </TabItem> </Tabs>
 
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