Revert "Revert "modify building for faster deploys""

Author: anandkumarpatel

ansible/ansible.cfg

@@ -0,0 +1,3 @@
+[defaults]
+# Required so `sudo: yes` does not lose the environment variables, which hold the ssh-agent socket
+sudo_flags=-HE

ansible/roles/builder/tasks/main.yml

@@ -6,6 +6,17 @@
     path="{{ build_dir }}/{{ name }}"
     state=directory
 
+- name: pull the git repository
+  sudo: yes
+  git:
+    repo="{{ repo }}"
+    dest="{{ build_dir }}/{{ name }}"
+    version="{{ git_branch }}"
+    update=yes
+    accept_hostkey=True
+    force=yes
+    depth=1
+
 - name: copy dockerfile to build folder
   sudo: yes
   template:

ansible/roles/builder/templates/basic_node/Dockerfile

@@ -15,18 +15,22 @@ ENV {{ env }}
 # setup node and npm versions
 RUN n {{ node_version }} && npm install -g npm@{{ npm_version }}
 
-# Download Repo
-RUN git clone -b {{ git_branch }} --single-branch {{ repo }} /{{ name }}
-
-WORKDIR /{{ name }}
 {% if dockerfile_pre_install_commands is defined %}
 {% for command in dockerfile_pre_install_commands %}
 RUN {{ command }}
 {% endfor %}
 {% endif %}
 
+# Add package.json from the current build context (`.` is the repo) first
+ADD ./package.json /{{ name }}/package.json
+
+# install, should will skip if no package.json change
+WORKDIR /{{ name }}
 RUN npm install --production
 
+# move the current build context (`.` is the repo) to /{{ name }}
+ADD . /{{ name }}
+
 {% if dockerfile_post_install_commands is defined %}
 {% for command in dockerfile_post_install_commands %}
 RUN {{ command }}
@@ -35,4 +39,3 @@ RUN {{ command }}
 
 # Define default command.
 CMD ulimit -c unlimited && /usr/local/bin/npm {{ npm_start_command | default('start') }} > /var/log/{{ name }}.log 2>&1
-