Class: Kuby::Docker::Dockerfile

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/kuby/docker/dockerfile.rb

Defined Under Namespace

Classes: Arg, Cmd, Command, Copy, Env, Expose, From, Run, Workdir

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dockerfile

Returns a new instance of Dockerfile.



111
112
113
114
 
# File 'lib/kuby/docker/dockerfile.rb', line 111

def initialize
  @commands = T.let([], T::Array[Command])
  @cursor = T.let(0, Integer)
end

Instance Attribute Details

#commands ⇒ Object (readonly)

Returns the value of attribute commands.



105
106
107
 
# File 'lib/kuby/docker/dockerfile.rb', line 105

def commands
  @commands
end

#cursor ⇒ Object (readonly)

Returns the value of attribute cursor.



108
109
110
 
# File 'lib/kuby/docker/dockerfile.rb', line 108

def cursor
  @cursor
end

Instance Method Details

#arg(*args) ⇒ Object 



132
133
134
 
# File 'lib/kuby/docker/dockerfile.rb', line 132

def arg(*args)
  add Arg.new(args)
end

#checksum ⇒ Object 



163
164
165
 
# File 'lib/kuby/docker/dockerfile.rb', line 163

def checksum
  Digest::SHA256.hexdigest(to_s)
end

#cmd(*args) ⇒ Object 



152
153
154
 
# File 'lib/kuby/docker/dockerfile.rb', line 152

def cmd(*args)
  add Cmd.new(args)
end

#copy(source, dest, from: nil) ⇒ Object 



142
143
144
 
# File 'lib/kuby/docker/dockerfile.rb', line 142

def copy(source, dest, from: nil)
  add Copy.new(source, dest, from: from)
end

#env(*args) ⇒ Object 



127
128
129
 
# File 'lib/kuby/docker/dockerfile.rb', line 127

def env(*args)
  add Env.new(args)
end

#expose(port) ⇒ Object 



147
148
149
 
# File 'lib/kuby/docker/dockerfile.rb', line 147

def expose(port)
  add Expose.new([port])
end

#exposed_ports ⇒ Object 



168
169
170
171
172
 
# File 'lib/kuby/docker/dockerfile.rb', line 168

def exposed_ports
  commands
    .select { |c| c.is_a?(Expose) }
    .map { |c| T.cast(c.args.first, Integer) }
end

#from(image_url, as: nil) ⇒ Object 



117
118
119
 
# File 'lib/kuby/docker/dockerfile.rb', line 117

def from(image_url, as: nil)
  add From.new(image_url, as: as)
end

#insert_at(pos, &block) ⇒ Object 



175
176
177
178
179
180
 
# File 'lib/kuby/docker/dockerfile.rb', line 175

def insert_at(pos, &block)
  @cursor = pos
  yield
ensure
  @cursor = commands.size
end

#run(*args) ⇒ Object 



137
138
139
 
# File 'lib/kuby/docker/dockerfile.rb', line 137

def run(*args)
  add Run.new(args)
end

#to_s ⇒ Object 



157
158
159
160
 
# File 'lib/kuby/docker/dockerfile.rb', line 157

def to_s
  # ensure trailing newline
  "#{commands.map(&:to_s).join("\n")}\n"
end

#workdir(*args) ⇒ Object 



122
123
124
 
# File 'lib/kuby/docker/dockerfile.rb', line 122

def workdir(*args)
  add Workdir.new(args)
end