Merge pull request #424 from yetanalytics/proxy_example

proxy example with addtl path

dev-resources/proxied_example/docker-compose.yml

@@ -0,0 +1,64 @@
+version: "3.9"
+# README:
+# Runs a SQL LRS container and a proxy (nginx) which serves the LRS on a special path (/foo).
+
+# To run: 
+# 1.  From the load_balanced dir:  docker compose up
+# 2.  Access on port 8083 in your browser.
+
+# See the Docker Compose docs for more info: https://docs.docker.com/compose/
+configs:
+  px_config:
+    file: ./nginx.conf
+
+volumes:
+  db_data:
+
+services:
+  db:
+    image: postgres
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: lrsql_user
+      POSTGRES_PASSWORD: lrsql_password
+      POSTGRES_DB: lrsql_db
+  lrs:
+    # build: ../.. # switch to this for active dev
+    image: yetanalytics/lrsql:latest
+    command:
+      - /lrsql/bin/run_postgres.sh
+    ports:
+      - "8080:8080"
+    depends_on:
+      - db
+    healthcheck:
+      test: wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    environment:
+      LRSQL_API_KEY_DEFAULT: my_key
+      LRSQL_API_SECRET_DEFAULT: my_secret
+      LRSQL_ADMIN_USER_DEFAULT: my_username
+      LRSQL_ADMIN_PASS_DEFAULT: my_password
+      LRSQL_ALLOW_ALL_ORIGINS: "true"
+      #NOTE: this path var is needed to inform the frontend behavior once the app is proxied
+      LRSQL_PROXY_PATH: /foo
+      LRSQL_DB_HOST: db
+      LRSQL_DB_NAME: lrsql_db
+      LRSQL_DB_USER: lrsql_user
+      LRSQL_DB_PASSWORD: lrsql_password
+      # If Postgres is too slow to start, increase this
+      LRSQL_POOL_INITIALIZATION_FAIL_TIMEOUT: 10000
+      LRSQL_JWT_COMMON_SECRET: sandwich #in production, this should be between 32 and 64 chars for security
+  proxy:
+    image: nginx:stable-alpine
+    configs:
+      - source: px_config
+        target: /etc/nginx/conf.d/default.conf
+    ports:
+      - "8083:8083"
+    depends_on:
+      lrs:
+        condition: service_healthy

dev-resources/proxied_example/nginx.conf

@@ -0,0 +1,16 @@
+upstream backend {
+    server lrs:8080;
+}
+
+server {
+    listen 8083;
+
+    include /etc/nginx/mime.types;
+
+    location /foo {
+      rewrite /foo/(.*) /$1  break;
+      proxy_pass         http://backend/;
+      proxy_redirect     off;
+      proxy_set_header   Host $host;
+    }
+}