feat: meta

.container/healthcheck.sh

@@ -0,0 +1 @@
+curl -f http://localhost/balancer/_meta

.container/meta

@@ -0,0 +1 @@
+VERSION=dev

run.sh → .container/run.sh

@@ -6,6 +6,7 @@ if [[ -z "${BALANCER_ENV}" ]]; then
 fi
 
 echo "Starting nginx for ${BALANCER_ENV}"
+cd /app/shlokas-balancer
 
 # render template
 envsubst "\$BALANCER_ENV"  < ./config/nginx.conf.template > ./config/nginx.conf

.devcontainer/devcontainer.json

@@ -8,5 +8,14 @@
   "shutdownAction": "stopCompose",
   "overrideCommand": true,
   "onCreateCommand": ".devcontainer/on_create.sh",
-  "workspaceFolder": "/app/shlokas-balancer"
-}
+  "workspaceFolder": "/app/shlokas-balancer",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "william-voyek.vscode-nginx",
+        "jakebathman.nginx-log-highlighter",
+        "raynigon.nginx-formatter"
+      ]
+    }
+  }
+}

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: Build
+on:
+  push:
+
+env:
+  REGISTRY:   ghcr.io
+  IMAGE_NAME: ghcr.io/${{ github.repository }}
+  IMAGE_TAG:  dev-${{github.run_number}}-${{ github.sha }}
+
+
+jobs:
+  build:
+    name: 🏗️ Build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v2.1.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
+          build-args: |
+            BALANCER_VERSION=${{ env.IMAGE_TAG }}

.github/workflows/publish.yml

@@ -35,3 +35,5 @@ jobs:
         with:
           push: true
           tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }},${{ env.IMAGE_NAME }}:latest
+          build-args: |
+            BALANCER_VERSION=${{ env.IMAGE_TAG }}

.vscode/tasks.json

@@ -6,7 +6,7 @@
     {
       "label": "Run",
       "type": "shell",
-      "command": "./run.sh",
+      "command": ".container/run.sh",
       "icon": {
         "id": "server",
       },

Dockerfile

@@ -1,8 +1,11 @@
 FROM nginx:1.23.4-alpine
+LABEL org.opencontainers.image.description "Simple load balancer for the Shlokas project."
+ARG BALANCER_VERSION=dev
 
 # Copy the nginx configuration files
 WORKDIR /app/shlokas-balancer
 COPY . .
+RUN echo "VERSION=${BALANCER_VERSION}" > .container/meta
 
 # Run nginx
-CMD ["run.sh"]
+CMD ["/app/shlokas-balancer/.container/run.sh"]

README.md

@@ -23,18 +23,18 @@ Nginx Load Balancer for Shlokas. This is a simple load balancer for the Shlokas
 
 ## Development
 
-`run.sh` will start the server in development mode. This will start the server in port `80` and will redirect requests to the backend servers.
+`.container/run.sh` will start the server in development mode. This will start the server in port `80` and will redirect requests to the backend servers.
 
 ### Endable HTTPS for local development
 
 1. Add `127.0.0.1 shlokas.dev` to `/etc/hosts`:
 2. Add `rootCA.rem` as trusted root certificate.
 3. Copy `certs/server.csr` and `certs/server.key` to `.secrets/balancer/certs`
-4. Run `BALANCER_ENV=prod run.sh`
+4. Run `BALANCER_ENV=prod .container/run.sh`
 
 
 ## Production
 
 1. Copy `server.csr` and `server.key` to `.secrets/balancer/certs`
-2. `BALANCER_ENV=prod run.sh` will start the server in production mode.
+2. `BALANCER_ENV=prod .container/run.sh` will start the server in production mode.
 

config/endpoints.conf

@@ -1,3 +1,10 @@
+location /balancer/_meta {
+  default_type text/plain;
+  access_log   off;
+  error_log    off;
+  alias        /app/shlokas-balancer/.container/meta;
+}
+
 location / {
    if ($cors_enabled) {
       add_header 'Access-Control-Allow-Origin' '*';

config/shlokas.conf

@@ -20,7 +20,6 @@ map $uri $backend {
 map $backend $cors_enabled {
     content     true;
     admin       true;
-    auth        true;
     totp        true;
     landing     true;
 }

config/shlokas.dev.conf

@@ -1,9 +1,15 @@
 include shlokas.conf;
 
+log_format debug '$request -> $status';
+
 server {
-    listen 80;
-    server_name localhost;
-    charset utf-8;
+  server_name localhost;
+
+  access_log /dev/stdout debug;
+  error_log  /dev/stdout debug;
+  listen     80;
+  charset    utf-8;
+
 
-    include endpoints.conf;
+  include    endpoints.conf;
 }