feat(infra): add docker image build and deploy pipeline (#13)

apps/miniapp/Dockerfile

@@ -0,0 +1,34 @@
+# syntax=docker/dockerfile:1.7
+
+FROM oven/bun:1.3.10 AS deps
+WORKDIR /app
+
+COPY bun.lock package.json tsconfig.base.json ./
+COPY apps/bot/package.json apps/bot/package.json
+COPY apps/miniapp/package.json apps/miniapp/package.json
+COPY packages/application/package.json packages/application/package.json
+COPY packages/config/package.json packages/config/package.json
+COPY packages/contracts/package.json packages/contracts/package.json
+COPY packages/db/package.json packages/db/package.json
+COPY packages/domain/package.json packages/domain/package.json
+COPY packages/observability/package.json packages/observability/package.json
+COPY packages/ports/package.json packages/ports/package.json
+
+RUN bun install --frozen-lockfile
+
+FROM deps AS build
+WORKDIR /app
+
+COPY apps/miniapp ./apps/miniapp
+
+RUN bun run --filter @household/miniapp build
+
+FROM nginx:1.27-alpine AS runtime
+
+COPY apps/miniapp/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/apps/miniapp/dist /usr/share/nginx/html
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD wget -qO- http://127.0.0.1:8080/health >/dev/null || exit 1

apps/miniapp/nginx.conf

@@ -0,0 +1,16 @@
+server {
+  listen 8080;
+  server_name _;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location = /health {
+    default_type application/json;
+    return 200 '{"ok":true}';
+  }
+
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
+}