[conf] add docker compose with solution stack

docker/.env.example

@@ -0,0 +1,4 @@
+MIRE_HOST = 0.0.0.0
+MIRE_PORT = 4000
+NGINX_HOST = 127.0.0.1
+NGINX_PORT = 80

docker/Dockerfile.mire

@@ -0,0 +1,66 @@
+# Canvas builder stage
+FROM node:20-alpine AS canvas
+
+# Install build dependencies for node-canvas
+RUN apk add --no-cache build-base cairo-dev pango-dev jpeg-dev giflib-dev librsvg-dev
+
+# Set working directory
+WORKDIR /canvas
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install canvas and its dependencies
+RUN npm install canvas@next
+
+
+# Main build stage
+FROM node:20-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm un canvas
+RUN npm ci
+
+# Copy the rest of the application code
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Production stage
+FROM node:20-alpine AS production
+
+# Set working directory
+WORKDIR /app
+
+# Install runtime dependencies for node-canvas
+RUN apk add --no-cache cairo pango jpeg giflib librsvg
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install production dependencies
+RUN npm un canvas && rm -rf node_modules && npm cache clean --force
+RUN npm ci --only=production && npm cache clean --force
+
+# Copy the built canvas module from canvas
+COPY --from=canvas /canvas/node_modules/canvas ./node_modules/canvas
+
+# Copy built application from builder stage
+COPY --from=builder /app/build ./build
+
+# Set NODE_ENV
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Expose the port your app runs on
+EXPOSE 3000
+
+# Define the command to run your app
+CMD ["node", "build/server.js"]

docker/Dockerfile.nginx

@@ -0,0 +1,25 @@
+FROM nginx:mainline AS builder
+
+# Install necessary build tools
+RUN apt-get update && apt-get install -y wget build-essential libpcre3-dev zlib1g-dev libssl-dev
+
+# Download and extract Nginx source
+RUN wget http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz && \
+    tar zxf nginx-$NGINX_VERSION.tar.gz
+
+# Download and extract NGINX VTS module
+RUN wget https://github.com/vozlt/nginx-module-vts/archive/v0.2.2.tar.gz && \
+    tar zxf v0.2.2.tar.gz
+
+# Compile Nginx with VTS module
+RUN cd nginx-$NGINX_VERSION && \
+    ./configure --with-compat --add-dynamic-module=../nginx-module-vts-0.2.2 && \
+    make modules
+
+FROM nginx:mainline
+
+# Copy the compiled module
+COPY --from=builder /nginx-$NGINX_VERSION/objs/ngx_http_vhost_traffic_status_module.so /usr/lib/nginx/modules/
+
+# Enable the module in nginx.conf
+RUN echo "load_module modules/ngx_http_vhost_traffic_status_module.so;" > /etc/nginx/modules/vts.conf

docker/docker-compose.yml

@@ -0,0 +1,67 @@
+x-base: &base
+  restart: unless-stopped
+  # network_mode: host
+  # env_file: defaults.env
+
+services:
+  mire:
+    <<: *base
+    container_name: mire
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.mire
+    ports:
+      - ${MIRE_PORT}:${MIRE_PORT}
+    environment:
+      NODE_ENV: production
+      HOST: ${MIRE_HOST}
+      PORT: ${MIRE_PORT}
+
+  nginx:
+    <<: *base
+    container_name: nginx
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.nginx
+    ports:
+      - "80:80"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+    depends_on:
+      - mire
+
+  nginx-exporter:
+    <<: *base
+    container_name: nginx-exporter
+    image: nginx/nginx-prometheus-exporter
+    command:
+      - -nginx.scrape-uri=http://nginx/metrics
+    ports:
+      - "9113:9113"
+    depends_on:
+      - nginx
+
+  prometheus:
+    <<: *base
+    container_name: prometheus
+    image: prom/prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
+    depends_on:
+      - nginx
+
+  grafana:
+    <<: *base
+    container_name: grafana
+    image: grafana/grafana
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./grafana/dashboards:/var/lib/grafana/dashboards
+      - ./grafana/provisioning:/etc/grafana/provisioning
+    environment:
+      - GF_SECURITY_ADMIN_PASSWORD=admin
+    depends_on:
+      - prometheus

docker/grafana/dashboards/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

docker/grafana/provisioning/dashboards/all.yml

@@ -0,0 +1,11 @@
+apiVersion: 1
+
+providers:
+  - name: 'default'
+    orgId: 1
+    folder: ''
+    type: file
+    disableDeletion: false
+    updateIntervalSeconds: 10
+    options:
+      path: /var/lib/grafana/dashboards

docker/grafana/provisioning/datasources/all.yml

@@ -0,0 +1,12 @@
+# config file version
+apiVersion: 1
+
+datasources:
+- name: Prometheus
+  type: prometheus
+  access: proxy
+  orgId: 1
+  url: 'http://prometheus:9090'
+  isDefault: true
+  version: 1
+  editable: true

docker/nginx.conf

@@ -0,0 +1,62 @@
+include /etc/nginx/modules/*.conf;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+
+    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+                    '$status $body_bytes_sent "$http_referer" '
+                    '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log /var/log/nginx/access.log main;
+
+    vhost_traffic_status_zone;
+
+    # Define a cache zone
+    proxy_cache_path /tmp/nginx_cache levels=1:2 keys_zone=my_cache:10m max_size=10g inactive=60m use_temp_path=off;
+
+    upstream app {
+        server mire:4000;
+    }
+
+    server {
+        listen 80;
+
+        # Cache configuration for the specific endpoint
+        location /problems/slow-image {
+            proxy_cache my_cache;
+            proxy_cache_valid 200 1d;  # Cache successful responses for 1 day
+            proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
+            proxy_cache_lock on;
+            proxy_cache_key $request_uri;  # Include query string in cache key
+
+            proxy_pass http://app;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # Default location block for other requests
+        location / {
+            proxy_pass http://app;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location /metrics {
+            stub_status;
+            # allow 127.0.0.1;
+            # deny all;
+        }
+
+        location /status {
+            vhost_traffic_status_display;
+            vhost_traffic_status_display_format html;
+        }
+    }
+}

docker/prometheus.yml

@@ -0,0 +1,20 @@
+global:
+  scrape_interval: 5s
+
+scrape_configs:
+  - job_name: 'mire'
+    static_configs:
+      - targets: ['mire:4000']
+
+  - job_name: 'nginx'
+    static_configs:
+      - targets: ['nginx-exporter:9113']
+
+  - job_name: 'nginx-vts'
+    metrics_path: /status/format/prometheus
+    static_configs:
+      - targets: ['nginx:80']
+
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: ['localhost:9090']