From bcaade98f9cfbad1bd78f574a44556df4389a20a Mon Sep 17 00:00:00 2001
From: jamesread <contact@jread.com>
Date: Sun, 22 Sep 2024 13:49:56 +0100
Subject: [PATCH] feat: Host an internal proxy to get around CORs issues

---
 Dockerfile.dev                    | 5 ++++-
 var/docker/Caddyfile              | 9 +++++++++
 var/docker/entrypoint.sh          | 9 +++++++--
 var/docker/supervisord/caddy.conf | 8 ++++++++
 4 files changed, 28 insertions(+), 3 deletions(-)
 create mode 100644 var/docker/Caddyfile
 create mode 100644 var/docker/supervisord/caddy.conf

diff --git a/Dockerfile.dev b/Dockerfile.dev
index 95e34a5c..0162b4ef 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -14,17 +14,20 @@ ENV NPM_CONFIG_UPDATE_NOTIFIER=false
 ENV NEXT_TELEMETRY_DISABLED=1
 
 RUN apk add --no-cache \
+	caddy \
 	bash=5.2.21-r0 \
 	supervisor=4.2.5-r4
 
 WORKDIR /app
 
-EXPOSE 4200
 EXPOSE 3000
+EXPOSE 4200
+EXPOSE 5000
 
 COPY var/docker/entrypoint.sh /app/entrypoint.sh
 COPY var/docker/supervisord.conf /etc/supervisord.conf
 COPY var/docker/supervisord /app/supervisord_available_configs/
+COPY var/docker/Caddyfile /app/Caddyfile
 COPY .env.example /config/postiz.env
 
 VOLUME /config
diff --git a/var/docker/Caddyfile b/var/docker/Caddyfile
new file mode 100644
index 00000000..d539a52f
--- /dev/null
+++ b/var/docker/Caddyfile
@@ -0,0 +1,9 @@
+:5000/ {
+	handle_path /api/* {
+		reverse_proxy * localhost:3000
+	}
+
+	handle {
+		reverse_proxy * localhost:4200
+	}
+}
diff --git a/var/docker/entrypoint.sh b/var/docker/entrypoint.sh
index df3b13fd..cca9af11 100755
--- a/var/docker/entrypoint.sh
+++ b/var/docker/entrypoint.sh
@@ -5,13 +5,18 @@ set -o xtrace
 if [[ "$SKIP_CONFIG_CHECK" != "true" ]]; then
 	echo "Entrypoint: Copying /config/postiz.env into /app/.env"
 
-	if [ ! -f /config/.env ]; then
-		echo "Entrypoint: WARNING: No .env file found in /config/postiz.env"
+	if [ ! -f /config/postiz.env ]; then
+		echo "Entrypoint: WARNING: No postiz.env file found in /config/postiz.env"
 	fi
 
 	cp -vf /config/postiz.env /app/.env
 fi
 
+if [[ "$INTERNAL_PROXY_ENABLED" != "false" ]]; then
+	echo "Entrypoint: Starting internal proxy"
+	cp -vf /app/supervisord_available_configs/caddy.conf /etc/supervisor.d/
+fi
+
 if [[ "$POSTIZ_APPS" -eq "" ]]; then
 	echo "Entrypoint: POSTIZ_APPS is not set, starting everything!"
 	POSTIZ_APPS="frontend workers cron backend"
diff --git a/var/docker/supervisord/caddy.conf b/var/docker/supervisord/caddy.conf
new file mode 100644
index 00000000..f697d0ad
--- /dev/null
+++ b/var/docker/supervisord/caddy.conf
@@ -0,0 +1,8 @@
+[program:backend]
+directory=/app
+command=caddy run --config /app/Caddyfile
+autostart=true
+autorestart=false
+redirect_stderr=true
+stdout_logfile=/dev/fd/1
+stdout_logfile_maxbytes=0