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nginx.conf
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82 lines (70 loc) · 2.24 KB
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events {
worker_connections 1024;
}
http {
# Define upstream servers for HTTP load balancing
upstream service_a_http {
server service-a-1:8080;
server service-a-2:8080;
server service-a-3:8080;
}
# Define upstream servers for gRPC load balancing
upstream service_a_grpc {
server service-a-1:50051;
server service-a-2:50051;
server service-a-3:50051;
}
# HTTP load balancer
server {
listen 80;
server_name localhost;
# Health check endpoint
location /health {
return 200 "nginx is healthy\n";
add_header Content-Type text/plain;
}
# Load balance HTTP API requests
location /sum {
proxy_pass http://service_a_http;
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;
# Add headers to identify which backend served the request
add_header X-Upstream-Server $upstream_addr;
}
# Default location for other requests
location / {
proxy_pass http://service_a_http;
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;
}
}
# gRPC load balancer
server {
listen 50051 http2;
server_name localhost;
# Load balance gRPC requests
location / {
grpc_pass grpc://service_a_grpc;
grpc_set_header Host $host;
grpc_set_header X-Real-IP $remote_addr;
grpc_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
grpc_set_header X-Forwarded-Proto $scheme;
}
}
# Include MIME types
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Logging
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log;
# Basic settings
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
}