diff --git a/.env.example b/.env.example
index 55e6cb9..949b7c7 100644
--- a/.env.example
+++ b/.env.example
@@ -2,9 +2,11 @@ ARMA_BINARY=./arma3server_x64
 ARMA_CDLC=
 ARMA_CONFIG=main.cfg
 ARMA_LIMITFPS=100
+ARMA_PARAMS=
 ARMA_PROFILE=main
 ARMA_WORLD=empty
 HEADLESS_CLIENTS=0
+HEADLESS_CLIENTS_PROFILE="$profile-hc-$i" # valid placeholders: $profile, $i, $ii
 MODS_LOCAL=true
 MODS_PRESET=
 PORT=2302
diff --git a/.github/workflows/docker_github.yml b/.github/workflows/docker_github.yml
index b566792..1ce690f 100644
--- a/.github/workflows/docker_github.yml
+++ b/.github/workflows/docker_github.yml
@@ -15,3 +15,4 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
         registry: docker.pkg.github.com
         tag_with_ref: true
+        push: true
diff --git a/Dockerfile b/Dockerfile
index 798f0b2..04cdfc0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,7 @@ RUN apt-get update \
         python3 \
         lib32stdc++6 \
         lib32gcc-s1 \
+        libcurl4 \
         wget \
         ca-certificates \
     && \
@@ -27,18 +28,20 @@ RUN apt-get update \
 
 ENV ARMA_BINARY=./arma3server
 ENV ARMA_CONFIG=main.cfg
+ENV ARMA_PARAMS=
 ENV ARMA_PROFILE=main
 ENV ARMA_WORLD=empty
 ENV ARMA_LIMITFPS=1000
-ENV ARMA_PARAMS=
 ENV ARMA_CDLC=
 ENV HEADLESS_CLIENTS=0
+ENV HEADLESS_CLIENTS_PROFILE="\$profile-hc-\$i"
 ENV PORT=2302
 ENV STEAM_BRANCH=public
 ENV STEAM_BRANCH_PASSWORD=
 ENV STEAM_ADDITIONAL_DEPOT=
 ENV MODS_LOCAL=true
 ENV MODS_PRESET=
+ENV SKIP_INSTALL=false
 
 EXPOSE 2302/udp
 EXPOSE 2303/udp
diff --git a/README.md b/README.md
index c495463..e63e5a0 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
 # Arma 3 Dedicated Server
 
-[![Docker Pulls](https://img.shields.io/docker/pulls/synixebrett/arma3server.svg?style=flat-square)](https://hub.docker.com/r/synixebrett/arma3server)
-
 An Arma 3 Dedicated Server. Updates to the latest version every time it is restarted.
 
 ## Usage
@@ -23,7 +21,7 @@ An Arma 3 Dedicated Server. Updates to the latest version every time it is resta
         -e ARMA_CONFIG=main.cfg \
         -e STEAM_USER=myusername \
         -e STEAM_PASSWORD=mypassword \
-        synixebrett/arma3server
+        ghcr.io/brettmayson/arma3server/arma3server:latest
 ```
 
 ### docker-compose
@@ -58,6 +56,7 @@ Profiles are saved in `/arma3/configs/profiles`
 | `-e PORT`                     | Port used by the server, (uses PORT to PORT+3)            | 2302 |
 | `-e ARMA_BINARY`              | Arma 3 server binary to use, `./arma3server_x64` for x64   | `./arma3server` |
 | `-e ARMA_CONFIG`              | Config file to load from `/arma3/configs`                 | `main.cfg` |
+| `-e ARMA_PARAMS`              | Additional Arma CLI parameters |
 | `-e ARMA_PROFILE`             | Profile name, stored in `/arma3/configs/profiles`         | `main` |
 | `-e ARMA_WORLD`               | World to load on startup                                  | `empty` |
 | `-e ARMA_LIMITFPS`            | Maximum FPS | `1000` |
@@ -67,8 +66,10 @@ Profiles are saved in `/arma3/configs/profiles`
 | `-e STEAM_USER`               | Steam username used to login to steamcmd |
 | `-e STEAM_PASSWORD`           | Steam password |
 | `-e HEADLESS_CLIENTS`         | Launch n number of headless clients                       | `0` |
+| `-e HEADLESS_CLIENTS_PROFILE` | Headless client profile name (supports placeholders)      | `$profile-hc-$i` |
 | `-e MODS_LOCAL`               | Should the mods folder be loaded | `true` |
 | `-e MODS_PRESET`              | An Arma 3 Launcher preset to load |
+| `-e SKIP_INSTALL`             | Skip Arma 3 installation | `false` |
 
 The Steam account does not need to own Arma 3, but must have Steam Guard disabled.
 
@@ -84,10 +85,11 @@ To use a Creator DLC the `STEAM_BRANCH` must be set to `creatordlc`
 | [Global Mobilization - Cold War Germany](https://store.steampowered.com/app/1042220/Arma_3_Creator_DLC_Global_Mobilization__Cold_War_Germany/) | GM |
 | [S.O.G. Prairie Fire](https://store.steampowered.com/app/1227700/Arma_3_Creator_DLC_SOG_Prairie_Fire) | vn |
 | [Western Sahara](https://store.steampowered.com/app/1681170/Arma_3_Creator_DLC_Western_Sahara/) | WS |
+| [Spearhead 1944](https://store.steampowered.com/app/1175380/Arma_3_Creator_DLC_Spearhead_1944/) | spe |
 
 ### Example
 
-`-e ARMA_CDLC="csla;gm;vn;ws"`
+`-e ARMA_CDLC="csla;gm;vn;ws;spe"`
 
 ## Loading mods
 
diff --git a/docker-compose.yml b/docker-compose.yml
index d80de9e..bc4a537 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.8'
 services:
   arma3:
     build: .
-    image: synixebrett/arma3server
+    image: ghcr.io/brettmayson/arma3server/arma3server:latest
     platform: linux/amd64
     container_name: arma3
     network_mode: host
diff --git a/launch.py b/launch.py
index 19634d7..3d0b8d9 100644
--- a/launch.py
+++ b/launch.py
@@ -2,6 +2,7 @@
 import re
 import subprocess
 import shutil
+from string import Template
 
 import local
 import workshop
@@ -23,24 +24,25 @@ def env_defined(key):
         os.remove(KEYS)
     os.makedirs(KEYS)
 
-# Install Arma
-
-steamcmd = ["/steamcmd/steamcmd.sh"]
-steamcmd.extend(["+force_install_dir", "/arma3"])
-steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
-steamcmd.extend(["+app_update", "233780"])
-if env_defined("STEAM_BRANCH"):
-    steamcmd.extend(["-beta", os.environ["STEAM_BRANCH"]])
-if env_defined("STEAM_BRANCH_PASSWORD"):
-    steamcmd.extend(["-betapassword", os.environ["STEAM_BRANCH_PASSWORD"]])
-steamcmd.extend(["validate"])
-if env_defined("STEAM_ADDITIONAL_DEPOT"):
-    for depot in os.environ["STEAM_ADDITIONAL_DEPOT"].split("|"):
-        depot = depot.split(",")
-        steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
-        steamcmd.extend(["+download_depot", "233780", depot[0], depot[1]])
-steamcmd.extend(["+quit"])
-subprocess.call(steamcmd)
+if os.environ["SKIP_INSTALL"] in ["", "false"]:
+    # Install Arma
+
+    steamcmd = ["/steamcmd/steamcmd.sh"]
+    steamcmd.extend(["+force_install_dir", "/arma3"])
+    steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
+    steamcmd.extend(["+app_update", "233780"])
+    if env_defined("STEAM_BRANCH"):
+        steamcmd.extend(["-beta", os.environ["STEAM_BRANCH"]])
+    if env_defined("STEAM_BRANCH_PASSWORD"):
+        steamcmd.extend(["-betapassword", os.environ["STEAM_BRANCH_PASSWORD"]])
+    steamcmd.extend(["validate"])
+    if env_defined("STEAM_ADDITIONAL_DEPOT"):
+        for depot in os.environ["STEAM_ADDITIONAL_DEPOT"].split("|"):
+            depot = depot.split(",")
+            steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
+            steamcmd.extend(["+download_depot", "233780", depot[0], depot[1]])
+    steamcmd.extend(["+quit"])
+    subprocess.call(steamcmd)
 
 if env_defined("STEAM_ADDITIONAL_DEPOT"):
     for depot in os.environ["STEAM_ADDITIONAL_DEPOT"].split("|"):
@@ -101,9 +103,14 @@ def env_defined(key):
         client_launch += " -password={}".format(config_values["password"])
 
     for i in range(0, clients):
-        hc_launch = client_launch + ' -name="{}-hc-{}"'.format(
-            os.environ["ARMA_PROFILE"], i
+        hc_template = Template(
+            os.environ["HEADLESS_CLIENTS_PROFILE"]
+        )  # eg. '$profile-hc-$i'
+        hc_name = hc_template.substitute(
+            profile=os.environ["ARMA_PROFILE"], i=i, ii=i + 1
         )
+
+        hc_launch = client_launch + ' -name="{}"'.format(hc_name)
         print("LAUNCHING ARMA CLIENT {} WITH".format(i), hc_launch)
         subprocess.Popen(hc_launch, shell=True)
 
diff --git a/workshop.py b/workshop.py
index 874d63e..9894335 100644
--- a/workshop.py
+++ b/workshop.py
@@ -9,11 +9,12 @@
 USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36"  # noqa: E501
 
 
-def mod(id):
+def download(mods):
     steamcmd = ["/steamcmd/steamcmd.sh"]
     steamcmd.extend(["+force_install_dir", "/arma3"])
     steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
-    steamcmd.extend(["+workshop_download_item", "107410", id])
+    for id in mods:
+        steamcmd.extend(["+workshop_download_item", "107410", id])
     steamcmd.extend(["+quit"])
     subprocess.call(steamcmd)
 
@@ -29,13 +30,16 @@ def preset(mod_file):
             f.write(remote.read())
         mod_file = "preset.html"
     mods = []
+    moddirs = []
     with open(mod_file) as f:
         html = f.read()
         regex = r"filedetails\/\?id=(\d+)\""
         matches = re.finditer(regex, html, re.MULTILINE)
         for _, match in enumerate(matches, start=1):
-            mod(match.group(1))
+            mods.append(match.group(1))
             moddir = WORKSHOP + match.group(1)
-            mods.append(moddir)
+            moddirs.append(moddir)
+        download(mods)
+        for moddir in moddirs:
             keys.copy(moddir)
-    return mods
+    return moddirs