Add mkcert for certificates

Dockerfile

@@ -21,5 +21,11 @@ RUN \
   a2enconf allow-override-all && \
   a2enconf php-fpm
 
+RUN \
+  mkdir /cert && \
+  mkdir /mkcert && \
+  curl -sSL https://github.com/FiloSottile/mkcert/releases/download/v1.3.0/mkcert-v1.3.0-linux-amd64 -o /usr/local/bin/mkcert && \
+  chmod +x /usr/local/bin/mkcert
+
 EXPOSE 80
 EXPOSE 443

README.md

@@ -1,3 +1,89 @@
 # Apache FPM container based on phusion
 Simple apache-vhost that serves content from /var/www/web - php-requests are
 proxied to a linked fpm-container named "fpm" on port 9000.
+
+
+# Dory
+
+Use the following if you use [dory](https://github.com/FreedomBen/dory) (much of the same applies for  [nginx-proxy](https://github.com/jwilder/nginx-proxy) and [dinghy-http-proxy](https://github.com/codekitchen/dinghy-http-proxy) which Dory is based on).
+
+```yaml
+    environment:
+      VIRTUAL_HOST: example.docker
+      VIRTUAL_PORT: 80
+      # Use the following if you want to handle redirects from http to https yourself.
+      HTTPS_METHOD: noredirect
+
+```
+
+## Using autogenerated certificates
+This require Dory version 1.0.3, use `dory upgrade` to upgrade
+
+If you don't already have a Dory configuration-file, have it generate one by running `dory config` then update the update `ssl_certs_dir` configuration:
+
+```yaml
+  nginx_proxy:
+    enabled: true
+    container_name: dory_dinghy_http_proxy
+    https_enabled: true
+    # Update the follow line to point at the dev_certificates
+    ssl_certs_dir: <your homedir>/.local/share/dev_certificates
+```
+
+Then mount that directory into the apache-fpm container so that its auto-generated certificates will be accessible to Dory.
+
+```yaml
+    volumes:
+      - '${HOME}/.local/share/dev_certificates:/cert:rw'
+```
+
+Then follow the steps in the mkcert sections to specify which certificates to generate and have your OS trust them.
+
+# mkcert
+
+This image has [mkcert](https://github.com/FiloSottile/mkcert)
+builtin.
+
+Install `mkcert` on your host machine and generate and install a root
+certificate by running `mkcert -install` on your host machine.
+
+Then you add the generated CAROOT as a volume (the path on the host
+machine is the output of `mkcert -CAROOT`).
+
+In your `docker-compose.yml` supply one or more host names to be be
+used for HTTPS. Host names will be search for in these location and in
+this order:
+
+1. environment variable `MKCERT_DOMAINS` (several hostnames separated
+   by space is possible, you can even supply a wildcard domain),
+1. the environment variable `VIRTUAL_HOST` (as used by [Dinghy HTTP
+   Proxy](https://github.com/codekitchen/dinghy-http-proxy)), or
+1. the output of `hostname -f` in the container (which can be set with
+   the `hostname` and `domainname` options).
+
+```yaml
+    volumes:
+      - '${HOME}/Library/Application Support/mkcert:/mkcert/mac:ro'
+      - '${HOME}/.local/share/mkcert:/mkcert/linux:ro'
+
+    environment:
+      MKCERT_DOMAINS: "example.docker *.example.docker local.docker"
+
+    hostname: example
+    domainname: docker
+```
+
+# Full example configuration
+
+```yaml
+    volumes:
+      - '${HOME}/Library/Application Support/mkcert:/mkcert/mac:ro'
+      - '${HOME}/.local/share/mkcert:/mkcert/linux:ro'
+      - '${HOME}/.local/share/dev_certificates:/cert:rw'
+
+    environment:
+      MKCERT_DOMAINS: "example.docker *.example.docker local.docker"
+      VIRTUAL_HOST: example.docker
+      VIRTUAL_PORT: 80
+      HTTPS_METHOD: noredirect
+```

files/etc/my_init.d/mkcert.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Try to locate `rootCA.pem` and `rootCA-key.pem` in a folder beneath
+# `/mkcert`.
+CAROOT="$(find /mkcert -type d -exec sh -c '[ -f "$0"/rootCA.pem ] && [ -f "$0"/rootCA-key.pem ]' '{}' \; -print)"
+export CAROOT
+
+# If no root CA found just exit now without generating any
+# certificates.
+if [[ -z "${CAROOT}" ]]; then
+    exit 0;
+fi
+
+# If no VIRTUAL_HOST is set use `hostname -f` as fallback.
+VIRTUAL_HOST="${VIRTUAL_HOST:-$(hostname -f)}"
+
+# Dinghys wildcard syntax is prefixing only with a dot (as in
+# `.example.com`). We rewrite those to use an asterisk as expected by
+# mkcert (`*.example.com`).
+VIRTUAL_HOST="${VIRTUAL_HOST/#./*.}"
+
+# If on MKCERT_DOMAINS is set use VIRTUAL_HOST as fallback.
+MKCERT_DOMAINS="${MKCERT_DOMAINS:-${VIRTUAL_HOST}}"
+
+# If we couldn't find any domain names just exit now without
+# generating any certificates.
+if [[ -z "${MKCERT_DOMAINS}" ]]; then
+    exit 0;
+fi
+
+# Split a space separated string into a bash array.
+IFS=' ' read -r -a MKCERT_DOMAINS <<< "${MKCERT_DOMAINS}"
+
+# Install the CA certificate in the Docker containers system trust
+# store. Mostly we do that to ignore warnings about the CA not being
+# installed when generating certificates later (but also to trust the
+# certificates from within).
+/usr/local/bin/mkcert -install
+
+# Run `mkcert` to generate certificate and key.
+/usr/local/bin/mkcert -cert-file /etc/ssl/certs/ssl-cert-snakeoil.pem -key-file /etc/ssl/private/ssl-cert-snakeoil.key "${MKCERT_DOMAINS[@]}"
+
+# Expose the generated certificate in /cert named after the first
+# domain name (compatible with Dory / nginx-proxy).
+echo "Copying certficate(s) and key(s) into /cert:"
+for domain in "${MKCERT_DOMAINS[@]}"
+do
+    # Strip wildcard.
+    domain="${domain#\*\.}"
+    cp -v /etc/ssl/certs/ssl-cert-snakeoil.pem "/cert/${domain}.crt"
+    cp -v /etc/ssl/private/ssl-cert-snakeoil.key "/cert/${domain}.key"
+done