Mercurial > hg > nginx-site
annotate xml/en/docs/http/converting_rewrite_rules.xml @ 0:61e04fc01027
Initial import of the nginx.org website.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 11 Aug 2011 12:19:13 +0000 |
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children | 9d544687d02c |
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Initial import of the nginx.org website.
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1 <!DOCTYPE digest SYSTEM "../../../../dtd/article.dtd"> |
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2 |
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3 <article title="Converting rewrite rules" |
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4 link="/en/docs/http/converting_rewrite_rules.html" |
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5 lang="en"> |
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6 |
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7 |
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8 <section title="A redirect to a main site"> |
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9 |
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10 <para> |
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11 People who during their shared hosting life used to configure |
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12 <i>everything</i> using <i>only</i> Apache’s .htaccess files, |
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13 translate usually the following rules: |
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14 |
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15 <programlisting> |
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16 RewriteCond %{HTTP_HOST} nginx.org |
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17 RewriteRule (.*) http://www.nginx.org$1 |
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18 </programlisting> |
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19 |
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20 in something like this: |
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21 |
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22 <programlisting> |
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23 server { |
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24 listen 80; |
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25 server_name www.nginx.org nginx.org; |
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26 if ($http_host = nginx.org) { |
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27 rewrite (.*) http://www.nginx.org$1; |
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28 } |
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29 ... |
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30 } |
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31 </programlisting> |
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32 </para> |
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33 |
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34 <para> |
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35 This is a wrong, cumbersome, and ineffective way. |
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36 The right way is to define a separate server for <url>nginx.org</url>: |
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37 |
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38 <programlisting> |
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39 server { |
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40 listen 80; |
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41 server_name nginx.org; |
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42 rewrite ^ http://www.nginx.org$request_uri?; |
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43 } |
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44 |
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45 server { |
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46 listen 80; |
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47 server_name www.nginx.org; |
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48 ... |
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49 } |
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50 </programlisting> |
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51 </para> |
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52 |
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53 </section> |
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54 |
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55 |
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56 <section> |
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57 |
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58 <para> |
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59 Another example, instead of backward logic: all that is not |
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60 <url>nginx.com</url> and is not <url>www.nginx.com</url>: |
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61 |
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62 <programlisting> |
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63 RewriteCond %{HTTP_HOST} !nginx.com |
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64 RewriteCond %{HTTP_HOST} !www.nginx.com |
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65 RewriteRule (.*) http://www.nginx.com$1 |
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66 </programlisting> |
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67 |
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68 you should define just <url>nginx.com</url>, <url>www.nginx.com</url>, |
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69 and anything else: |
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70 |
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71 <programlisting> |
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72 server { |
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73 listen 80; |
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74 server_name nginx.com www.nginx.com; |
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75 ... |
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76 } |
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77 |
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78 server { |
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79 listen 80 default_server; |
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80 server_name _; |
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81 rewrite ^ http://nginx.com$request_uri?; |
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82 } |
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83 </programlisting> |
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84 </para> |
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85 |
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86 </section> |
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87 |
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88 |
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89 <section name="converting_mongrel_rules" |
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90 title="Converting Mongrel rules"> |
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91 |
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92 <para> |
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93 Typical Mongrel rules: |
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94 |
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95 <programlisting> |
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96 DocumentRoot /var/www/myapp.com/current/public |
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97 |
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98 RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f |
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99 RewriteCond %{SCRIPT_FILENAME} !maintenance.html |
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100 RewriteRule ^.*$ %{DOCUMENT_ROOT}/system/maintenance.html [L] |
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101 |
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102 RewriteCond %{REQUEST_FILENAME} -f |
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103 RewriteRule ^(.*)$ $1 [QSA,L] |
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104 |
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105 RewriteCond %{REQUEST_FILENAME}/index.html -f |
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106 RewriteRule ^(.*)$ $1/index.html [QSA,L] |
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107 |
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108 RewriteCond %{REQUEST_FILENAME}.html -f |
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109 RewriteRule ^(.*)$ $1/index.html [QSA,L] |
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110 |
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111 RewriteRule ^/(.*)$ balancer://mongrel_cluster%{REQUEST_URI} [P,QSA,L] |
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112 </programlisting> |
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113 |
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114 should be converted to |
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115 |
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116 <programlisting> |
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117 location / { |
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118 root /var/www/myapp.com/current/public; |
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119 |
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120 try_files /system/maintenance.html |
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121 $uri $uri/index.html $uri.html |
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122 @mongrel; |
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123 } |
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124 |
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125 location @mongrel { |
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126 proxy_pass http://mongrel; |
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127 } |
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128 </programlisting> |
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129 </para> |
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130 |
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131 </section> |
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132 |
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Initial import of the nginx.org website.
Ruslan Ermilov <ru@nginx.com>
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