Address PR feedback: rename dockerfile, add EOF newline, exclude docs from build

Co-authored-by: dannystaple <426859+dannystaple@users.noreply.github.com>

Author: Copilot

.eleventyignore

@@ -4,3 +4,4 @@
 ./tests
 
 Dockerfile
+DOCKER_OPTIMIZATION.md

DOCKER_OPTIMIZATION.md

@@ -12,11 +12,11 @@ The original setup transferred the entire repository (425MB including galleries/
 Created optimized Docker setup:
 
 ### Files Added
-- `Dockerfile.dev` - Minimal dockerfile that only installs npm dependencies
+- `dev.Dockerfile` - Minimal dockerfile that only installs npm dependencies
 - Updated `.dockerignore` - Aggressive exclusion of large directories
 
 ### Changes Made
-- `docker-compose.yml` - Updated serve, dist, build, and shell services to use `Dockerfile.dev`
+- `docker-compose.yml` - Updated serve, dist, build, and shell services to use `dev.Dockerfile`
 - Original `Dockerfile` - Kept for production services that need full content (httpd_serve, staging, etc.)
 
 ### Performance Improvement
@@ -25,7 +25,7 @@ Created optimized Docker setup:
 
 ## Architecture
 
-### Development Services (use Dockerfile.dev)
+### Development Services (use dev.Dockerfile)
 - `serve` - Eleventy development server
 - `dist` - Webpack asset bundling  
 - `build` - Site generation

Dockerfile.dev renamed to dev.Dockerfile

@@ -22,4 +22,4 @@ RUN apt-get update && apt-get install -y \
 # Source code will be volume-mounted at runtime
 
 # Default stage - just npm dependencies installed
-FROM base
+FROM base

docker-compose.yml

@@ -2,7 +2,7 @@ services:
   serve:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: dev.Dockerfile
     command: ["npm", "run", "serve"]
     volumes:
       - .:/app/src
@@ -16,7 +16,7 @@ services:
   dist:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: dev.Dockerfile
     command: ["npm", "run", "dist"]
     volumes:
       - .:/app/src
@@ -25,7 +25,7 @@ services:
   build:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: dev.Dockerfile
     command: ["npm", "run", "11ty"]
     volumes:
       - .:/app/src
@@ -61,7 +61,7 @@ services:
   shell:
     build:
       context: .
-      dockerfile: Dockerfile.dev
+      dockerfile: dev.Dockerfile
       target: debug
     command: ["bash"]
     volumes: