Allow users to build images by providing uid and gid as build args.

gocd · Sep 11, 2017 · be41207 · be41207
1 parent b40b792
commit be41207
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/Dockerfile.erb b/Dockerfile.erb
@@ -33,6 +33,9 @@ ADD <%= meta[:url] %> <%= file %>
 # force encoding
 ENV LANG=en_US.utf8
 
+ARG UID=1000
+ARG GID=1000
+
 RUN \
 <% unless add_files.empty? -%>
 # add mode and permissions for files we added above

diff --git a/Rakefile b/Rakefile
@@ -53,8 +53,8 @@ tini_and_gosu_add_file_meta = {
 }
 
 create_user_and_group_cmd = [
-  'groupadd -g 1000 go',
-  'useradd -u 1000 -g go -d /home/go -m go'
+  'groupadd -g ${GID} go',
+  'useradd -u ${UID} -g go -d /home/go -m go'
 ]
 
 [
@@ -63,8 +63,8 @@ create_user_and_group_cmd = [
     version: '3.5',
     add_files: tini_and_gosu_add_file_meta,
     create_user_and_group: [
-      'addgroup -g 1000 go',
-      'adduser -D -u 1000 -G go go'
+      'addgroup -g ${GID} go',
+      'adduser -D -u ${UID} -G go go'
     ],
     before_install: [
       'apk --no-cache upgrade',
@@ -76,8 +76,8 @@ create_user_and_group_cmd = [
       version: '3.6',
       add_files: tini_and_gosu_add_file_meta,
       create_user_and_group: [
-          'addgroup -g 1000 go',
-          'adduser -D -u 1000 -G go go'
+          'addgroup -g ${GID} go',
+          'adduser -D -u ${UID} -G go go'
       ],
       before_install: [
           'apk --no-cache upgrade',