build: Docker cleanup/update.

- Fix MIME type for rss feeds.
- Clean up .gitignore and .dockerignore.

.dockerignore

@@ -1,8 +1,12 @@
-*~
-.vscode/
-.git/
-.github/
-.tmp/
-resources/
-public/
+.gitignore
+.git
+.github
+LICENSE
+README.md
+
+bin/build.sh
+bin/watch.sh
+src/public
+src/resources
+src/.hugo_build.lock
 node_modules/

.gitignore

@@ -1,10 +1,10 @@
 dist/
-src/resources/_gen
-src/public/
+src/resources
+src/public
+src/.hugo_build.lock
 src/i18n/*
 node_modules/
 .DS_Store
-.hugo_build.lock
 *.log
 
 # Ignore all i18n sub-directories apart from en.
@@ -18,4 +18,4 @@ src/content/pl
 src/content/pt
 src/content/ru
 src/content/tr
-src/content/zh
+src/content/zh

Dockerfile

@@ -1,4 +1,4 @@
-# builder image
+# Build image
 FROM alpine:latest
 
 ARG HUGO_BASEURL
@@ -22,7 +22,9 @@ COPY ./ /root/
 
 RUN bin/build-hugo.sh
 
-# final image
+# Serve image (stable nginx version)
+# This cannot use Alpine because test/Dockerfile builds on this image and
+# expects it to have apt-get.
 FROM nginx:1.22
 
 LABEL description="dcrweb server"

conf/nginx.conf

@@ -13,13 +13,15 @@ server {
     server_name  localhost;
 
     charset utf-8;
+
+    # Hide Version
     server_tokens off;
-
-    #Security Headers
-    add_header X-Content-Type-Options "nosniff" always;
-    add_header X-Frame-Options "DENY" always;  
-    add_header X-XSS-Protection "1; mode=block" always; 
-    add_header Referrer-Policy "no-referrer" always;
+    
+    # Security Headers
+    add_header X-Content-Type-Options "nosniff"       always;
+    add_header X-Frame-Options        "DENY"          always;
+    add_header X-XSS-Protection       "1; mode=block" always;
+    add_header Referrer-Policy        "no-referrer"   always;
 
     location /base58 {
         if ($arg_go-get = "1") {
@@ -135,7 +137,7 @@ server {
     gzip_comp_level 6;
     gzip_buffers 16 8k;
     gzip_http_version 1.1;
-    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss image/svg+xml text/javascript;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/rss+xml image/svg+xml text/javascript;
 
     # Redirection for dcrweb pages which no longer exist.
     rewrite ^/roadmap/?$         $scheme://$http_host/                                    permanent;