dockerize lets encrpyt & nginx for SSL setup

api/Dockerfile

@@ -17,6 +17,6 @@ COPY ./certificates/* /usr/local/share/ca-certificates/
 
 RUN chmod 644 /usr/local/share/ca-certificates/*.crt && update-ca-certificates
 
-EXPOSE 3001
+EXPOSE ${API_PORT}
 
 CMD [ "npm", "start" ]

api/app.js

@@ -22,5 +22,5 @@ const port = process.env.API_PORT || 3001;
 
 app.listen(port, () => {
   console.log("Suggestion Service API is up on port " + port);
-  console.log("Running at http://localhost:" + port + "/");
+  console.log("Running at http://localhost:" + port + "/api");
 });

docker-compose-https.yml

@@ -0,0 +1,25 @@
+version: "3.8"
+services:
+  nginx:
+    image: nginx:mainline-alpine
+    restart: always
+    env_file:
+      - .env
+    environment:
+      - NGINX_ENVSUBST_TEMPLATE_SUFFIX=.setup
+    volumes:
+      - ./nginx:/etc/nginx/templates
+      - /etc/certbot/conf:/etc/letsencrypt
+      - /etc/certbot/www:/var/www/certbot
+    ports:
+      - 80:80
+      - 443:443
+  certbot:
+    container_name: certbot
+    image: certbot/certbot
+    depends_on:
+      - nginx
+    volumes:
+      - /etc/certbot/conf:/etc/letsencrypt
+      - /etc/certbot/www:/var/www/certbot
+    command: certonly --webroot -w /var/www/certbot --email ${SSL_EMAIL} -d ${DOMAIN} --agree-tos

docker-compose.yml

@@ -10,12 +10,37 @@ services:
       - REFRESH_PERIOD=86400        # daily
       - HARVEST_PERIOD=604800       # weekly
   api:
+    container_name: api
     build: ./api/
     restart: always
     env_file:
       - .env
     ports:
-        - "0.0.0.0:${API_PORT}:${API_PORT}"
+      - 0.0.0.0:${API_PORT}:${API_PORT}
+    networks:
+      - nginx-passthrough
+  nginx:
+    image: nginx:mainline-alpine
+    restart: always
+    env_file:
+      - .env
+    volumes:
+      - ./nginx:/etc/nginx/templates
+      - /etc/certbot/conf:/etc/letsencrypt
+      - /etc/certbot/www:/var/www/certbot
+    ports:
+      - 80:80
+      - 443:443
+    networks:
+      - nginx-passthrough
+  certbot:
+    image: certbot/certbot
+    depends_on:
+      - nginx
+    volumes:
+      - /etc/certbot/conf:/etc/letsencrypt
+      - /etc/certbot/www:/var/www/certbot
+    command: certonly --webroot -w /var/www/certbot --force-renewal --email ${SSL_EMAIL} -d ${DOMAIN} --agree-tos
   web:
     build: ./web/
     restart: always
@@ -26,6 +51,6 @@ services:
     restart: always
     ports:
         - "0.0.0.0:${EMBED_SCRIPT_PORT}:3002"
-volumes:
+networks:
-  db:
+  nginx-passthrough:
-    driver: local
+    driver: bridge

nginx/nginx.conf.setup

@@ -0,0 +1,10 @@
+server {
+    listen 80;
+
+    server_name ${DOMAIN} www.${DOMAIN};
+
+    location ~ /.well-known/acme-challenge {
+        allow all;
+        root /var/www/certbot;
+    }
+}

nginx/nginx.conf.template

@@ -0,0 +1,23 @@
+server {
+    listen 80;
+
+    server_name ${DOMAIN} www.${DOMAIN};
+
+    return 301 https://${DOMAIN}$request_uri;
+}
+
+server {
+    listen 443 ssl http2;
+    ssl_certificate /etc/letsencrypt/live/${DOMAIN}/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/${DOMAIN}/privkey.pem;
+    server_name ${DOMAIN} www.${DOMAIN};
+
+    location ~ /.well-known/acme-challenge {
+        allow all;
+        root /var/www/certbot;
+    }
+
+    location / {
+        proxy_pass http://api:${API_PORT}/;
+    }
+}

setup-https.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+docker compose stop nginx certbot
+docker compose rm -f nginx certbot
+docker compose --file docker-compose-https.yml up -d
+docker wait certbot
+docker compose logs certbot
+docker compose --file docker-compose-https.yml down
+docker compose --file docker-compose-https.yml rm -f nginx certbot