introduce separate weave-proxy service which holds the API key

This prevents opencode from having access to the `WEAVE_API_KEY` enviroment variable.

README.md

@@ -22,9 +22,10 @@ A first run from a clean checkout.
 
    ```yaml
    services:
-     opencode:
+     weave-proxy:
        environment:
          WEAVE_API_KEY: "your-key-here"
+     opencode:
        volumes:
          - /path/to/your/repo:/workspace/repo
    ```
@@ -121,8 +122,7 @@ name** from that stack's compose and `<port>` is the container's *internal* port
 - **`model` / `small_model`** — default model and the model used for lighter
   tasks. Both default to `weave/glm-5.2`.
 - **`provider.weave`** — the weave provider, using the
-  `@ai-sdk/openai-compatible` adapter against `https://weave.redpencil.io/v1`
+  `@ai-sdk/openai-compatible` adapter against `http://weave-proxy/v1`.
-  with the key from `WEAVE_API_KEY`.
 - **`provider.weave.models`** — the models offered in `/models`.
 - **`lsp`** — language servers baked into the image:
   `typescript-language-server` for TS/JS and `pyright` for Python.

config/nginx/templates/default.conf.template

@@ -0,0 +1,11 @@
+server {
+  listen 80;
+  location / {
+    proxy_pass https://weave.redpencil.io;
+    proxy_ssl_server_name on;
+    proxy_set_header Host weave.redpencil.io;
+    proxy_set_header Authorization "Bearer ${WEAVE_API_KEY}";
+    proxy_buffering off;        # SSE streaming
+    proxy_read_timeout 600s;    # match opencode's 5-min defaults
+  }
+}

config/opencode/opencode.json

@@ -34,8 +34,8 @@
     "weave": {
       "npm": "@ai-sdk/openai-compatible",
       "options": {
-        "baseURL": "https://weave.redpencil.io/v1",
+        "baseURL": "http://weave-proxy/v1",
-        "apiKey": "{env:WEAVE_API_KEY}"
+        "apiKey": "not-needed"
       },
       "models": {
         "kimi-K2.7-code": {

docker-compose.yml

@@ -1,4 +1,8 @@
 services:
+  weave-proxy:
+    image: nginx:1.31.7-alpine
+    volumes:
+      - ./config/nginx/templates:/etc/nginx/templates:ro
   opencode:
     image: redpencil/opencode:0.0.2
     volumes: