[FEAT] Add docker files

.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+dist
+.git
+.gitignore
+.vscode
+*.md
+.DS_Store

Caddyfile

@@ -1,4 +1,4 @@
-http://spritesheetgenerator.online:1337 {
+:1337 {
     root * ./dist
     encode zstd gzip
 
@@ -19,7 +19,7 @@ http://spritesheetgenerator.online:1337 {
     }
 
     log {
-        output file /var/log/caddy/spritesheetgenerator.online.log
+        output file /var/log/caddy/app.log
     }
 }
 

Caddyfile.docker

@@ -0,0 +1,24 @@
+:1337 {
+    root * /srv/dist
+    encode zstd gzip
+
+    # Aggressive caching for static assets
+    @static path *.js *.css *.png *.jpg *.jpeg *.gif *.webp *.svg *.woff *.woff2 *.ico
+    header @static Cache-Control "public, max-age=31536000, immutable"
+
+    # Short cache for HTML (for SPA updates)
+    @html path *.html /
+    header @html Cache-Control "no-cache, must-revalidate"
+
+    # Default cache for everything else
+    header ?Cache-Control "max-age=1800"
+
+    try_files {path} /index.html
+    file_server {
+        precompressed zstd gzip
+    }
+
+    log {
+        output stdout
+    }
+}

Dockerfile

@@ -0,0 +1,32 @@
+# Build stage
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json package-lock.json* ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source files
+COPY . .
+
+# Build the app
+RUN npm run build
+
+# Production stage
+FROM caddy:2-alpine
+
+# Create log directory
+RUN mkdir -p /var/log/caddy
+
+# Copy built files
+COPY --from=builder /app/dist /srv/dist
+
+# Copy Caddy configuration
+COPY Caddyfile.docker /etc/caddy/Caddyfile
+
+EXPOSE 1337
+
+CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile"]

docker-compose.yml

@@ -0,0 +1,11 @@
+services:
+  app:
+    build: .
+    ports:
+      - "${PORT:-1337}:1337"
+    restart: unless-stopped
+    volumes:
+      - caddy_logs:/var/log/caddy
+
+volumes:
+  caddy_logs: