#12 Added exmaples for docker file and fixed test

Author: navarasu

examples/using_docker_file/Dockerfile

@@ -0,0 +1,6 @@
+FROM lambci/lambda:build-ruby2.5
+
+RUN yum install -y postgresql-devel
+RUN gem update bundler
+
+CMD "/bin/bash"

examples/using_docker_file/Gemfile

@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'pg'

examples/using_docker_file/handler.rb

@@ -0,0 +1,8 @@
+require 'pg'
+
+def hello(event:, context:)
+  { statusCode: 200, body: {
+    "pg_version": PG.library_version
+    }
+  }
+end

examples/using_docker_file/serverless.yml

@@ -0,0 +1,19 @@
+service: using-docker-file 
+
+plugins:
+  - serverless-ruby-layer
+
+custom:
+  rubyLayer:
+    use_docker: true
+    docker_file: Dockerfile
+    native_libs:
+      - /usr/lib64/libpq.so.5
+
+provider:
+  name: aws
+  runtime: ruby2.5
+
+functions:
+  hello:
+    handler: handler.hello

package-lock.json

@@ -23,7 +23,7 @@ function readZip(filePath){
                 .then(function (zip) {
                     let check = []
                     zip.forEach(function (relativePath, file){
-                      if (file.dir && relativePath.split(path.sep).length <= 4){
+                      if (file.dir && relativePath.split(path.sep).length <= 5){
                           check.push(relativePath)
                       } else if (relativePath.split(path.sep).length <= 1) {
                             check.push(relativePath)

test/helper.js

@@ -19,7 +19,7 @@ describe('serverless package', function () {
     runCommand('npm',['link','serverless-ruby-layer'],options)
     runCommand('sls',['package'],options)
     let dot_serverless_path = path.join(context_path,'.serverless')
-    let layer_zip_path = path.join(dot_serverless_path,'build','ruby_layer','gemLayer.zip')
+    let layer_zip_path = path.join(dot_serverless_path,'ruby_layer','gemLayer.zip')
     let function_zip_path = path.join(dot_serverless_path,'basic.zip')
     value = readZip(function_zip_path)
             .then(function(data){
@@ -32,7 +32,7 @@ describe('serverless package', function () {
                                 '/gems/','/specifications/','/gems/httparty-0.18.1/',
                                 '/gems/mime-types-3.3.1/','/gems/multi_xml-0.6.0/',
                                 '/gems/mime-types-data-3.2020.0512/']
-                                .map(data => run_time+'.0'+data).sort(),
+                                .map(data => 'ruby/'+run_time+'.0'+data).concat(['ruby/']).sort(),
                                 data.sort())
               })
     let rawdata = fs.readFileSync(path.join(dot_serverless_path,'serverless-state.json'));
@@ -51,6 +51,6 @@ describe('serverless package', function () {
                             })
     assert.deepEqual(cloud_resource['HelloLambdaFunction']['Properties']['Layers'],[ { Ref: 'GemLayerLambdaLayer' } ])
     assert.deepEqual(cloud_resource['HelloLambdaFunction']['Properties']['Environment'],
-                     {Variables: { GEM_PATH: '/opt/'+run_time+'.0'}})
+                     {Variables: { GEM_PATH: '/opt/ruby/'+run_time+'.0'}})
   });
 });