Experiment

.drone.yml

@@ -0,0 +1,58 @@
+kind: pipeline
+type: docker
+name: build-amd64
+platform:
+  arch: amd64
+steps:
+  - name: push
+    image: plugins/docker
+    when:
+      branch:
+        - main
+    settings:
+      dockerfile: Dockerfile
+      repo: git.jacknet.io/jackhadrill/container-director
+      tags: amd64
+      username: jackhadrill
+      password:
+        from_secret: password
+      registry: git.jacknet.io
+---
+kind: pipeline
+type: docker
+name: build-arm64
+platform:
+  arch: arm64
+steps:
+  - name: push
+    image: plugins/docker
+    when:
+      branch:
+        - main
+    settings:
+      dockerfile: Dockerfile
+      repo: git.jacknet.io/jackhadrill/container-director
+      tags: arm64
+      username: jackhadrill
+      password:
+        from_secret: password
+      registry: git.jacknet.io
+---
+kind: pipeline
+type: docker
+name: manifest
+depends_on:
+  - build-amd64
+  - build-arm64
+steps:
+  - name: manifest
+    image: plugins/manifest
+    settings:
+      username: JackNet
+      password:
+        from_secret: password
+      target: git.jacknet.io/jackhadrill/container-director:latest
+      template: git.jacknet.io/jackhadrill/container-director:ARCH
+      platforms:
+        - linux/amd64
+        - linux/arm64

Dockerfile

@@ -0,0 +1,8 @@
+FROM nginx:alpine
+
+ENV LISTEN_PORT="80"
+ENV CONTAINER_PREFIX="container"
+ENV SPAWNER_HOST="spawner"
+ENV SPANWER_PORT="80"
+
+COPY director.conf /etc/nginx/templates/director.conf.template

README.md

@@ -1,2 +1,22 @@
-# code-spawner
+# Container Director
 
+[![Build Status](https://drone.jacknet.io/api/badges/jackhadrill/container-director/status.svg)](https://drone.jacknet.io/jackhadrill/container-director)
+
+A tool to proxy an HTTP backend, and failover to a "container spawner" if the backend does not exist.
+
+## Usage
+
+```yml
+version: '3'
+services:
+  ...
+  container-director:
+    image: git.jacknet.io/jackhadrill/container-director:latest
+    restart: always
+    environment:
+      LISTEN_PORT: 80
+      CONTAINER_PREFIX: "container"
+      SPAWNER_HOST: "spawner"
+      SPANWER_PORT: 80
+  ...
+```

director.conf

@@ -0,0 +1,15 @@
+server {
+    listen       ${LISTEN_PORT};
+    server_name  _;
+
+    resolver 127.0.0.11 valid=1s;
+
+    location / {
+        proxy_pass http://${CONTAINER_PREFIX}$http_x_forwarded_preferred_username$uri;
+        error_page 502 = @spawner;
+    }
+    
+    location @spawner {
+        proxy_pass http://${SPAWNER_HOST}:${SPANWER_PORT}$uri;
+    }
+}