feat: add HTTPS RPC proxy for MetaMask mobile support

Nginx SSL reverse proxy (port 8443) in front of Geth using Let's
Encrypt cert via Cloudflare DNS challenge. MetaMask mobile requires
HTTPS for custom RPC URLs.

Also adds AFC token icon served from bridge API static files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker/docker-compose.dev.yml

@@ -134,6 +134,17 @@ services:
         limits:
           memory: 1G
 
+  rpc-ssl:
+    image: nginx:alpine
+    restart: unless-stopped
+    depends_on:
+      - geth
+    volumes:
+      - ./nginx/rpc-ssl.conf:/etc/nginx/nginx.conf:ro
+      - certbot_etc:/etc/letsencrypt:ro
+    ports:
+      - "8443:8443"
+
   afc-bridge:
     build:
       context: ../services/afc-bridge
@@ -160,3 +171,6 @@ volumes:
   minecraft_ftb_data:
   geth_data:
   afc_bridge_data:
+  certbot_etc:
+    external: true
+    name: docker_certbot_etc

docker/nginx/rpc-ssl.conf

@@ -0,0 +1,32 @@
+events {
+    worker_connections 256;
+}
+
+http {
+    server {
+        listen 8443 ssl;
+        server_name play.consultoria-as.com;
+
+        ssl_certificate /etc/letsencrypt/live/play.consultoria-as.com/fullchain.pem;
+        ssl_certificate_key /etc/letsencrypt/live/play.consultoria-as.com/privkey.pem;
+        ssl_protocols TLSv1.2 TLSv1.3;
+
+        # Geth JSON-RPC proxy
+        location / {
+            proxy_pass http://geth:8545;
+            proxy_http_version 1.1;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header Content-Type application/json;
+
+            # CORS for MetaMask
+            add_header Access-Control-Allow-Origin * always;
+            add_header Access-Control-Allow-Methods "POST, GET, OPTIONS" always;
+            add_header Access-Control-Allow-Headers "Content-Type" always;
+
+            if ($request_method = OPTIONS) {
+                return 204;
+            }
+        }
+    }
+}

services/afc-bridge/Dockerfile

@@ -6,6 +6,7 @@ COPY package.json package-lock.json* ./
 RUN npm install --production
 
 COPY contracts/ ./contracts/
+COPY public/ ./public/
 COPY src/ ./src/
 
 EXPOSE 3001

services/afc-bridge/public/afc-icon.svg

@@ -0,0 +1,158 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="512" height="512">
+  <defs>
+    <!-- Main gradient - dark teal to cyan -->
+    <linearGradient id="coinGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#0D1B2A"/>
+      <stop offset="50%" stop-color="#1B2D45"/>
+      <stop offset="100%" stop-color="#0D1B2A"/>
+    </linearGradient>
+
+    <!-- Rim gradient -->
+    <linearGradient id="rimGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#00E5CC"/>
+      <stop offset="25%" stop-color="#00BFA6"/>
+      <stop offset="50%" stop-color="#00E5CC"/>
+      <stop offset="75%" stop-color="#00BFA6"/>
+      <stop offset="100%" stop-color="#00E5CC"/>
+    </linearGradient>
+
+    <!-- Inner glow gradient -->
+    <radialGradient id="innerGlow" cx="50%" cy="45%" r="50%">
+      <stop offset="0%" stop-color="#00E5CC" stop-opacity="0.15"/>
+      <stop offset="100%" stop-color="#0D1B2A" stop-opacity="0"/>
+    </radialGradient>
+
+    <!-- Phoenix flame gradient -->
+    <linearGradient id="phoenixGrad" x1="50%" y1="100%" x2="50%" y2="0%">
+      <stop offset="0%" stop-color="#00BFA6"/>
+      <stop offset="40%" stop-color="#00E5CC"/>
+      <stop offset="70%" stop-color="#4DFFD2"/>
+      <stop offset="100%" stop-color="#AAFFF0"/>
+    </linearGradient>
+
+    <!-- Subtle glow filter -->
+    <filter id="glow" x="-20%" y="-20%" width="140%" height="140%">
+      <feGaussianBlur stdDeviation="4" result="blur"/>
+      <feComposite in="SourceGraphic" in2="blur" operator="over"/>
+    </filter>
+
+    <filter id="softGlow" x="-30%" y="-30%" width="160%" height="160%">
+      <feGaussianBlur stdDeviation="8" result="blur"/>
+      <feMerge>
+        <feMergeNode in="blur"/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+
+    <!-- Drop shadow for depth -->
+    <filter id="coinShadow" x="-10%" y="-10%" width="130%" height="130%">
+      <feDropShadow dx="0" dy="4" stdDeviation="8" flood-color="#000" flood-opacity="0.4"/>
+    </filter>
+  </defs>
+
+  <!-- Background circle shadow -->
+  <circle cx="256" cy="260" r="230" fill="#000" opacity="0.3" filter="url(#coinShadow)"/>
+
+  <!-- Outer coin body -->
+  <circle cx="256" cy="256" r="230" fill="url(#coinGrad)" stroke="url(#rimGrad)" stroke-width="6"/>
+
+  <!-- Inner rim -->
+  <circle cx="256" cy="256" r="210" fill="none" stroke="#00E5CC" stroke-width="1.5" opacity="0.5"/>
+  <circle cx="256" cy="256" r="205" fill="none" stroke="#00E5CC" stroke-width="0.5" opacity="0.25"/>
+
+  <!-- Inner glow -->
+  <circle cx="256" cy="256" r="210" fill="url(#innerGlow)"/>
+
+  <!-- Decorative ring with dashes -->
+  <circle cx="256" cy="256" r="195" fill="none" stroke="#00E5CC" stroke-width="1" stroke-dasharray="3 8" opacity="0.35"/>
+
+  <!-- Central phoenix/afterlife symbol - stylized rising flame/phoenix wing -->
+  <g transform="translate(256,256)" filter="url(#softGlow)">
+    <!-- Central rising flame / phoenix shape -->
+    <path d="
+      M 0,-95
+      C 15,-80 25,-55 20,-35
+      C 18,-20 8,-5 0,10
+      C -8,-5 -18,-20 -20,-35
+      C -25,-55 -15,-80 0,-95
+      Z
+    " fill="url(#phoenixGrad)" opacity="0.9"/>
+
+    <!-- Left wing -->
+    <path d="
+      M -5,0
+      C -20,-15 -50,-40 -65,-55
+      C -75,-65 -80,-60 -75,-48
+      C -68,-35 -45,-15 -25,5
+      C -15,15 -8,12 -5,0
+      Z
+    " fill="url(#phoenixGrad)" opacity="0.75"/>
+
+    <!-- Right wing -->
+    <path d="
+      M 5,0
+      C 20,-15 50,-40 65,-55
+      C 75,-65 80,-60 75,-48
+      C 68,-35 45,-15 25,5
+      C 15,15 8,12 5,0
+      Z
+    " fill="url(#phoenixGrad)" opacity="0.75"/>
+
+    <!-- Left outer wing -->
+    <path d="
+      M -25,5
+      C -40,-5 -70,-25 -88,-32
+      C -98,-36 -100,-30 -92,-22
+      C -82,-12 -55,5 -35,18
+      C -25,25 -18,18 -25,5
+      Z
+    " fill="#00E5CC" opacity="0.45"/>
+
+    <!-- Right outer wing -->
+    <path d="
+      M 25,5
+      C 40,-5 70,-25 88,-32
+      C 98,-36 100,-30 92,-22
+      C 82,-12 55,5 35,18
+      C 25,25 18,18 25,5
+      Z
+    " fill="#00E5CC" opacity="0.45"/>
+
+    <!-- Small flame tip accent -->
+    <path d="
+      M 0,-95
+      C 5,-105 3,-115 0,-120
+      C -3,-115 -5,-105 0,-95
+      Z
+    " fill="#AAFFF0" opacity="0.8"/>
+  </g>
+
+  <!-- "AFC" text -->
+  <text x="256" y="330"
+    font-family="'Orbitron', 'Rajdhani', 'Exo 2', 'Segoe UI', sans-serif"
+    font-size="52"
+    font-weight="700"
+    fill="#00E5CC"
+    text-anchor="middle"
+    letter-spacing="14"
+    filter="url(#glow)">AFC</text>
+
+  <!-- "AFTERCOIN" subtitle -->
+  <text x="256" y="360"
+    font-family="'Orbitron', 'Rajdhani', 'Exo 2', 'Segoe UI', sans-serif"
+    font-size="14"
+    font-weight="400"
+    fill="#00BFA6"
+    text-anchor="middle"
+    letter-spacing="8"
+    opacity="0.7">AFTERCOIN</text>
+
+  <!-- Top decorative dots -->
+  <circle cx="206" cy="385" r="2" fill="#00E5CC" opacity="0.4"/>
+  <circle cx="256" cy="390" r="2" fill="#00E5CC" opacity="0.4"/>
+  <circle cx="306" cy="385" r="2" fill="#00E5CC" opacity="0.4"/>
+
+  <!-- Subtle circuit-like lines at bottom -->
+  <line x1="220" y1="400" x2="292" y2="400" stroke="#00E5CC" stroke-width="0.5" opacity="0.2"/>
+
+</svg>

services/afc-bridge/src/index.js

@@ -1,3 +1,4 @@
+const path = require("path");
 const express = require("express");
 const config = require("./config");
 const db = require("./db");
@@ -11,6 +12,9 @@ const walletRouter = require("./routes/wallet");
 
 const app = express();
 
+// Serve static files (token icon, etc.)
+app.use(express.static(path.join(__dirname, "..", "public")));
+
 // Parse JSON request bodies
 app.use(express.json());