diff --git a/README.rst b/README.rst
index bd90d90..f28a0b1 100644
--- a/README.rst
+++ b/README.rst
@@ -17,12 +17,12 @@ Available states
 ------------
 
 Installs and configures both PostgreSQL server and client with creation of various DB objects in
-the cluster.
+the cluster. This state applies to both Linux and MacOS.
 
 ``postgres.client``
 -------------------
 
-Installs the PostgreSQL client binaries and libraries.
+Installs the PostgreSQL client binaries and libraries on Linux.
 
 ``postgres.manage``
 -------------------
@@ -33,18 +33,18 @@ See ``pillar.example`` file for details.
 ``postgres.python``
 -------------------
 
-Installs the PostgreSQL adapter for Python.
+Installs the PostgreSQL adapter for Python on Linux.
 
 ``postgres.server``
 -------------------
 
-Installs the PostgreSQL server package, prepares the DB cluster and starts the server using
+Installs the PostgreSQL server package on Linux, prepares the DB cluster and starts the server using
 packaged init script, job or unit.
 
 ``postgres.server.image``
 -------------------------
 
-Installs the PostgreSQL server package, prepares the DB cluster and starts the server by issuing
+Installs the PostgreSQL server package on Linux, prepares the DB cluster and starts the server by issuing
 raw ``pg_ctl`` command. The ``postgres:bake_image`` Pillar toggles this behaviour. For example:
 
 .. code:: yaml
@@ -77,12 +77,15 @@ The state relies on the ``postgres:use_upstream_repo`` Pillar value which could
 
 * ``True`` (default): adds the upstream repository to install packages from
 * ``False``: makes sure that the repository configuration is absent
+* ``'postgresapp'`` (MacOS) uses upstream PostgresApp package repository.
+* ``'homebrew'`` (MacOS) uses Homebrew postgres
 
 The ``postgres:version`` Pillar controls which version of the PostgreSQL packages should be
-installed from the upstream repository. Defaults to ``9.5``.
+installed from the upstream Linux repository. Defaults to ``9.5``.
 
 Testing
 =======
+The postgres state was tested on MacOS (El Capitan 10.11.6)
 
 Testing is done with the ``kitchen-salt``.
 
diff --git a/pillar.example b/pillar.example
index e87a238..38f16e8 100644
--- a/pillar.example
+++ b/pillar.example
@@ -5,6 +5,11 @@ postgres:
   # Version to install from upstream repository (if upstream_repo: True)
   version: '9.6'
 
+  ### MACOS
+  # Set to 'postgresapp' OR 'homebrew' for MacOS
+  #use_upstream_repo: 'postgresapp'
+  #use_upstream_repo: 'homebrew'
+
   # PACKAGE
   # These pillars are typically never required.
   # pkg: 'postgresql'
@@ -14,11 +19,15 @@ postgres:
     - postgresql-contrib
     - postgresql-plpython
 
-
   #'Alternatives system' priority incremental. 0 disables feature.
   linux:
     altpriority: 30
 
+  # macos limits
+  limits:
+    soft: 64000
+    hard: 64000
+
   # POSTGRES
   # Append the lines under this item to your postgresql.conf file.
   # Pay attention to indent exactly with 4 spaces for all lines.
diff --git a/postgres/client.sls b/postgres/client.sls
index a8729d1..473f3c6 100644
--- a/postgres/client.sls
+++ b/postgres/client.sls
@@ -7,7 +7,7 @@
   {%- endif %}
 {%- endfor %}
 
-{%- if postgres.use_upstream_repo %}
+{%- if postgres.use_upstream_repo == true %}
 include:
   - postgres.upstream
 {%- endif %}
@@ -16,7 +16,7 @@ include:
 postgresql-client-libs:
   pkg.installed:
     - pkgs: {{ pkgs }}
-{%- if postgres.use_upstream_repo %}
+{%- if postgres.use_upstream_repo == true %}
     - refresh: True
     - require:
       - pkgrepo: postgresql-repo
diff --git a/postgres/codenamemap.yaml b/postgres/codenamemap.yaml
index 909ccde..f5ea154 100644
--- a/postgres/codenamemap.yaml
+++ b/postgres/codenamemap.yaml
@@ -16,7 +16,7 @@
   #}
 
   {# use upstream version if configured #}
-  {% if repo.use_upstream_repo %}
+  {% if repo.use_upstream_repo == true %}
     {% set version = repo.version %}
   {% endif %}
 
@@ -49,7 +49,7 @@
   #}
 
   {# use upstream version if configured #}
-  {% if repo.use_upstream_repo %}
+  {% if repo.use_upstream_repo == true %}
     {% set version = repo.version %}
   {% endif %}
 
diff --git a/postgres/defaults.yaml b/postgres/defaults.yaml
index 50b12b8..4a21fa9 100644
--- a/postgres/defaults.yaml
+++ b/postgres/defaults.yaml
@@ -9,6 +9,8 @@ postgres:
   pkg_dev: postgresql-devel
   pkg_libpq_dev: postgresql-libs
   python: python-psycopg2
+  userhomes: /home
+  systemuser:
   user: postgres
   group: postgres
 
@@ -21,6 +23,21 @@ postgres:
   conf_dir: /var/lib/pgsql/data
   postgresconf: ""
 
+  macos:
+    archive: postgres.dmg
+    tmpdir: /tmp/postgrestmp
+    postgresapp:
+      #See: https://github.com/PostgresApp/PostgresApp/releases/
+      url: https://github.com/PostgresApp/PostgresApp/releases/download/v2.1.1/Postgres-2.1.1.dmg
+      sum: sha256=ac0656b522a58fd337931313f09509c09610c4a6078fe0b8e469e69af1e1750b
+    homebrew:
+      url:
+      sum:
+    dl:
+      opts: -s -L
+      interval: 60
+      retries: 2
+
   pg_hba.conf: salt://postgres/templates/pg_hba.conf.j2
   acls:
     # "local" is for Unix domain socket connections only
diff --git a/postgres/dev.sls b/postgres/dev.sls
index 451d478..c9f330b 100644
--- a/postgres/dev.sls
+++ b/postgres/dev.sls
@@ -1,13 +1,59 @@
 {% from "postgres/map.jinja" import postgres with context %}
 
-{% if postgres.pkg_dev %}
+{% if grains.os not in ('Windows', 'MacOS',) %}
+
+  {% if postgres.pkg_dev %}
 install-postgres-dev-package:
   pkg.installed:
     - name: {{ postgres.pkg_dev }}
-{% endif %}
+  {% endif %}
 
-{% if postgres.pkg_libpq_dev %}
+  {% if postgres.pkg_libpq_dev %}
 install-postgres-libpq-dev:
   pkg.installed:
     - name: {{ postgres.pkg_libpq_dev }}
+  {% endif %}
+
+{% endif %}
+
+
+{% if grains.os == 'MacOS' %}
+
+  # Darwin maxfiles limits
+  {% if postgres.limits.soft or postgres.limits.hard %}
+
+postgres_maxfiles_limits_conf:
+  file.managed:
+    - name: /Library/LaunchDaemons/limit.maxfiles.plist
+    - source: salt://postgres/templates/limit.maxfiles.plist
+    - context:
+      soft_limit: {{ postgres.limits.soft or postgres.limits.hard }}
+      hard_limit: {{ postgres.limits.hard or postgres.limits.soft }}
+    - group: {{ postgres.group }}
+  {% endif %}
+
+  {% if postgres.use_upstream_repo == 'postgresapp' %}
+  # Shortcut for PostgresApp
+postgres-desktop-shortcut-clean:
+  file.absent:
+    - name: '{{ postgres.userhomes }}/{{ postgres.user }}/Desktop/Postgres ({{ postgres.use_upstream_repo }})'
+    - require_in:
+      - file: postgres-desktop-shortcut-add
+
+postgres-desktop-shortcut-add:
+  file.managed:
+    - name: /tmp/mac_shortcut.sh
+    - source: salt://postgres/templates/mac_shortcut.sh
+    - mode: 755
+    - template: jinja
+    - context:
+      user: {{ postgres.user }}
+      homes: {{ postgres.userhomes }}
+  cmd.run:
+    - name: '/tmp/mac_shortcut.sh "Postgres ({{ postgres.use_upstream_repo }})"'
+    - runas: {{ postgres.user }}
+    - require:
+      - file: postgres-desktop-shortcut-add
+  {% endif %}
+
 {% endif %}
diff --git a/postgres/init.sls b/postgres/init.sls
index 0409e62..a28a0ed 100644
--- a/postgres/init.sls
+++ b/postgres/init.sls
@@ -1,4 +1,9 @@
+
 include:
+{% if grains.os == 'MacOS' %}
+  - postgres.macos
+{% else %}
   - postgres.server
   - postgres.client
   - postgres.manage
+{% endif %}
diff --git a/postgres/macos/init.sls b/postgres/macos/init.sls
new file mode 100644
index 0000000..ed332ad
--- /dev/null
+++ b/postgres/macos/init.sls
@@ -0,0 +1,10 @@
+{% from "postgres/map.jinja" import postgres with context %}
+
+include:
+{% if postgres.use_upstream_repo == 'postgresapp' %}
+  - postgres.macos.postgresapp
+{% elif postgres.use_upstream_repo == 'homebrew' %}
+  - postgres.server
+  - postgres.client
+{% endif %}
+  - postgres.dev
diff --git a/postgres/macos/postgresapp.sls b/postgres/macos/postgresapp.sls
new file mode 100644
index 0000000..cb4cd4f
--- /dev/null
+++ b/postgres/macos/postgresapp.sls
@@ -0,0 +1,64 @@
+{% from "postgres/map.jinja" import postgres as pg with context %}
+
+# Cleanup first
+pg-remove-prev-archive:
+  file.absent:
+    - name: '{{ pg.macos.tmpdir }}/{{ pg.macos.archive }}'
+    - require_in:
+      - pg-extract-dirs
+
+pg-extract-dirs:
+  file.directory:
+    - names:
+      - '{{ pg.macos.tmpdir }}'
+    - makedirs: True
+    - clean: True
+    - require_in:
+      - pg-download-archive
+
+pg-download-archive:
+  pkg.installed:
+    - name: curl
+  cmd.run:
+    - name: curl {{ pg.macos.dl.opts }} -o '{{ pg.macos.tmpdir }}/{{ pg.macos.archive }}' {{ pg.macos.postgresapp.url }}
+      {% if grains['saltversioninfo'] >= [2017, 7, 0] %}
+    - retry:
+        attempts: {{ pg.macos.dl.retries }}
+        interval: {{ pg.macos.dl.interval }}
+      {% endif %}
+
+  {%- if pg.macos.postgresapp.sum %}
+pg-check-archive-hash:
+   module.run:
+     - name: file.check_hash
+     - path: '{{ pg.macos.tmpdir }}/{{ pg.macos.archive }}'
+     - file_hash: {{ pg.macos.postgresapp.sum }}
+     - onchanges:
+       - cmd: pg-download-archive
+     - require_in:
+       - archive: pg-package-install
+  {%- endif %}
+
+pg-package-install:
+  macpackage.installed:
+    - name: '{{ pg.macos.tmpdir }}/{{ pg.macos.archive }}'
+    - store: True
+    - dmg: True
+    - app: True
+    - force: True
+    - allow_untrusted: True
+    - onchanges:
+      - cmd: pg-download-archive
+    - require_in:
+      - file: pg-package-install
+      - file: pg-remove-archive
+  file.append:
+    - name: {{ pg.userhomes }}/{{ pg.user }}/.bash_profile
+    - text: 'export PATH=$PATH:/Applications/Postgres.app/Contents/Versions/latest/bin'
+
+pg-remove-archive:
+  file.absent:
+    - name: '{{ pg.macos.tmpdir }}'
+    - onchanges:
+      - macpackage: pg-package-install
+
diff --git a/postgres/osmap.yaml b/postgres/osmap.yaml
index 4cbd9dd..71c6344 100644
--- a/postgres/osmap.yaml
+++ b/postgres/osmap.yaml
@@ -33,7 +33,7 @@ RedHat:
     gpgcheck: 1
     gpgkey: 'https://download.postgresql.org/pub/repos/yum/RPM-GPG-KEY-PGDG-{{ release }}'
 
-{% if repo.use_upstream_repo %}
+{% if repo.use_upstream_repo == true %}
 
   {% set data_dir = '/var/lib/pgsql/' ~ repo.version ~ '/data' %}
 
@@ -104,7 +104,7 @@ Suse:
     gpgcheck: 1
     gpgautoimport: True
 
-{% if repo.use_upstream_repo %}
+{% if repo.use_upstream_repo == true %}
   {# Pillars needed are 'use_upstream_repo: True' and 'version: n.n'. #}
   {# Avoid setting package names as pillars, as may corrupt postgres. #}
   {% set lib_dir = '/var/lib/pgsql/' ~ repo.version ~ '/data' %}
@@ -133,18 +133,26 @@ Suse:
 
 {% endif %}
 
+{%- if grains.os == 'MacOS' %}
+## jinja check avoids rendering noise/failure on Linux
 MacOS:
-  service: postgresql
+   {%- if repo.use_upstream_repo == 'homebrew' %}
+  service: homebrew.mxcl.postgresql
+   {%- elif repo.use_upstream_repo == 'postgresapp' %}
+  service: com.postgresapp.Postgres2
+   {%- endif %}
   pkg: postgresql
   pkg_client:
   pkg_libpq_dev:
-  conf_dir: /usr/local/var/postgres
-  user: _postgres
-  group: _postgres
+  userhomes: /Users
+  user: {{ repo.user }}
+  group: {{ repo.group }}
+  conf_dir: /Users/{{ repo.user }}/Library/AppSupport/postgres_{{ repo.use_upstream_repo }}
   prepare_cluster:
-    command: initdb -D /usr/local/var/postgres/
-    test: test -f /usr/local/var/postgres/PG_VERSION
-    user: _postgres
-    group: _postgres
+    command: initdb -D /Users/{{ repo.user }}/Library/AppSupport/postgres_{{ repo.use_upstream_repo }}
+    test: test -f /Users/{{ repo.user }}/Library/AppSupport/postgres_{{ repo.use_upstream_repo }}/PG_VERSION
+    user: {{ repo.user }}
+    group: {{ repo.group }}
+{%- endif %}
 
 # vim: ft=sls
diff --git a/postgres/repo.yaml b/postgres/repo.yaml
index e37eec7..1d87463 100644
--- a/postgres/repo.yaml
+++ b/postgres/repo.yaml
@@ -8,4 +8,12 @@ use_upstream_repo: {{ salt['pillar.get']('postgres:use_upstream_repo',
 version: {{ salt['pillar.get']('postgres:version',
                                defaults.postgres.version) }}
 
+#Early lookup for system user on MacOS
+{% if grains.os == 'MacOS' %}
+  {% set sysuser = salt['pillar.get']('postgres.user') or salt['cmd.run']("stat -f '%Su' /dev/console") %}
+  {% set sysgroup = salt['pillar.get']('postgres.group') or salt['cmd.run']("stat -f '%Sg' /dev/console") %}
+user: {{ sysuser }}
+group: {{ sysgroup }}
+{% endif %}
+
 # vim: ft=sls
diff --git a/postgres/server/init.sls b/postgres/server/init.sls
index fe71435..3c26f36 100644
--- a/postgres/server/init.sls
+++ b/postgres/server/init.sls
@@ -4,7 +4,7 @@
 {%- if postgres.bake_image %}
   {%- do includes.append('postgres.server.image') %}
 {%- endif %}
-{%- if postgres.use_upstream_repo -%}
+{%- if postgres.use_upstream_repo == true -%}
   {%- do includes.append('postgres.upstream') %}
 {%- endif %}
 
@@ -18,16 +18,27 @@ include:
 postgresql-server:
   pkg.installed:
     - pkgs: {{ pkgs }}
-{%- if postgres.use_upstream_repo %}
+{%- if postgres.use_upstream_repo == true %}
     - refresh: True
     - require:
       - pkgrepo: postgresql-repo
 {%- endif %}
+  {%- if grains.os == 'MacOS' %}
+     #Register as Launchd LaunchAgent for system users
+    - require_in:
+      - file: postgresql-server
+  file.managed:
+    - name: /Library/LaunchAgents/{{ postgres.service }}.plist
+    - source: /usr/local/opt/postgres/{{ postgres.service }}.plist
+    - group: wheel
+    - require_in:
+      - service: postgresql-running
+  {%- else %}
 
 # Alternatives system. Make server binaries available in $PATH
-{%- if 'bin_dir' in postgres and postgres.linux.altpriority %}
-    {%- for bin in postgres.server_bins %}
-      {%- set path = salt['file.join'](postgres.bin_dir, bin) %}
+    {%- if 'bin_dir' in postgres and postgres.linux.altpriority %}
+      {%- for bin in postgres.server_bins %}
+        {%- set path = salt['file.join'](postgres.bin_dir, bin) %}
 
 {{ bin }}:
   alternatives.install:
@@ -40,7 +51,9 @@ postgresql-server:
     - require_in:
       - cmd: postgresql-cluster-prepared
 
-    {%- endfor %}
+      {%- endfor %}
+    {%- endif %}
+
 {%- endif %}
 
 postgresql-cluster-prepared:
@@ -59,6 +72,12 @@ postgresql-config-dir:
     - name: {{ postgres.conf_dir }}
     - user: {{ postgres.user }}
     - group: {{ postgres.group }}
+    - dir_mode: 775
+    - force: True
+    - file_mode: 644
+    - recurse:
+      - user
+      - group
     - makedirs: True
     - require:
       - cmd: postgresql-cluster-prepared
@@ -134,7 +153,9 @@ postgresql-running:
   service.running:
     - name: {{ postgres.service }}
     - enable: True
+   {% if grains.os not in ('MacOS',) %}
     - reload: True
+   {% endif %}
     - watch:
       - file: postgresql-pg_hba
 
diff --git a/postgres/templates/limit.maxfiles.plist b/postgres/templates/limit.maxfiles.plist
new file mode 100644
index 0000000..1b16b1b
--- /dev/null
+++ b/postgres/templates/limit.maxfiles.plist
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>  
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"  
+        "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">  
+  <dict>
+    <key>Label</key>
+    <string>limit.maxfiles</string>
+    <key>ProgramArguments</key>
+    <array>
+      <string>/bin/launchctl</string>
+      <string>limit</string>
+      <string>maxfiles</string>
+      <string>{{ soft_limit }}</string>
+      <string>{{ hard_limit }}</string>
+    </array>
+    <key>RunAtLoad</key>
+    <true/>
+    <key>ServiceIPC</key>
+    <false/>
+  </dict>
+</plist> 
diff --git a/postgres/templates/mac_shortcut.sh b/postgres/templates/mac_shortcut.sh
new file mode 100755
index 0000000..4f560bf
--- /dev/null
+++ b/postgres/templates/mac_shortcut.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+shortcutName='${1}'
+app="postgres.app"
+Source="/Applications/$app"
+Destination="{{ homes }}/{{ user }}/Desktop/${shortcutName}"
+/usr/bin/osascript -e "tell application \"Finder\" to make alias file to POSIX file \"$Source\" at POSIX file \"$Destination\""
+
diff --git a/postgres/upstream.sls b/postgres/upstream.sls
index 6c3956f..cf92872 100644
--- a/postgres/upstream.sls
+++ b/postgres/upstream.sls
@@ -3,7 +3,7 @@
 
 {%- if 'pkg_repo' in postgres -%}
 
-  {%- if postgres.use_upstream_repo -%}
+  {%- if postgres.use_upstream_repo == true -%}
 
 # Add upstream repository for your distro
 postgresql-repo:
@@ -25,9 +25,11 @@ postgresql-repo:
 {%- else -%}
 
 # Notify that we don't manage this distro
+  {% if grains.os not in ('Windows', 'MacOS',) %}
 postgresql-repo:
   test.show_notification:
     - text: |
         PostgreSQL does not provide package repository for {{ grains['osfinger'] }}
+  {% endif %}
 
 {%- endif %}