dev cicd + tron + docs

ci/dev/frontend.dockerfile

@@ -0,0 +1,57 @@
+# Development Dockerfile for Frontend (Flutter Web)
+
+FROM dart:stable AS web_builder
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    curl \
+    unzip \
+    xz-utils \
+    libglu1-mesa \
+    ca-certificates \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN useradd -ms /bin/bash flutteruser
+
+ENV PATH="/home/flutteruser/flutter/bin:${PATH}"
+
+USER flutteruser
+WORKDIR /home/flutteruser
+
+# Install Flutter
+RUN git clone --branch stable --depth 1 https://github.com/flutter/flutter.git \
+  && flutter config --enable-web \
+  && flutter precache --web \
+  && flutter upgrade
+
+COPY --chown=flutteruser:flutteruser frontend /home/flutteruser/app
+
+# Replace production config with dev config
+WORKDIR /home/flutteruser/app/pshared
+RUN cp lib/config/common_dev.dart lib/config/common.dart
+
+# Build shared package with code generation
+RUN flutter clean \
+  && flutter pub get \
+  && dart run build_runner build --delete-conflicting-outputs
+
+# Build the web client
+WORKDIR /home/flutteruser/app/pweb
+RUN flutter clean \
+  && flutter pub get \
+  && flutter build web --release --no-tree-shake-icons
+
+# Runtime stage with Caddy
+FROM caddy:alpine AS runtime
+
+WORKDIR /usr/share/pweb
+
+COPY --from=web_builder /home/flutteruser/app/pweb/build/web /usr/share/pweb
+
+# Copy Caddy config (will be mounted from host)
+# COPY frontend/pweb/caddy/Caddyfile /etc/caddy/Caddyfile
+
+EXPOSE 80
+
+CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]