diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..b9affeb
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,24 @@
+FROM ubuntu:24.04 AS baseos
+RUN apt update -y && apt install -y python3 curl xz-utils
+FROM ubuntu:24.04 AS bombuilder
+RUN apt update -y  && apt install -y git build-essential autoconf libxml2-dev libssl-dev zlib1g-dev
+RUN git clone "https://github.com/maltob/bomutils.git" /tmp/bomutils
+WORKDIR /tmp/bomutils
+RUN make
+RUN git clone "https://github.com/mackyle/xar.git" /tmp/xar
+WORKDIR /tmp/xar/xar
+RUN sed -i 's/OpenSSL_add_all_ciphers/OPENSSL_init_crypto/g' configure.ac && ./autogen.sh && make
+FROM baseos AS add7z
+RUN curl https://www.7-zip.org/a/7z2408-linux-x64.tar.xz -o 7z.tar.xz && tar -xf 7z.tar.xz 7zzs && cp 7zzs /usr/bin/7zzs && chmod +x /usr/bin/7zzs
+FROM add7z AS app
+COPY --from=bombuilder /tmp/bomutils/build/bin/mkbom /usr/bin/
+COPY --from=bombuilder /tmp/bomutils/build/bin/lsbom /usr/bin/
+COPY --from=bombuilder /tmp/bomutils/build/bin/dumpbom /usr/bin/
+COPY --from=bombuilder /tmp/xar/xar/src/xar /usr/bin/
+RUN mkdir /app
+RUN mkdir /out
+COPY build_a_pkg.py /app/build_a_pkg.py
+WORKDIR /app/
+VOLUME /out
+VOLUME /app/input
+CMD python /app/build_a_pkg.py
\ No newline at end of file
diff --git a/Dockerfile.fedora b/Dockerfile.fedora
new file mode 100644
index 0000000..afaa727
--- /dev/null
+++ b/Dockerfile.fedora
@@ -0,0 +1,20 @@
+FROM fedora:41 AS baseos
+RUN dnf update -y && dnf install -y xar dmg2img hfsplus-tools python3 curl
+FROM fedora:41 AS bomBuilder
+RUN dnf install -y git make g++ ld automake
+RUN git clone "https://github.com/maltob/bomutils.git" /tmp/bomutils
+WORKDIR /tmp/bomutils
+RUN make
+FROM baseos AS add7z
+RUN curl https://www.7-zip.org/a/7z2408-linux-x64.tar.xz -o 7z.tar.xz && tar -xf 7z.tar.xz 7zzs && cp 7zzs /usr/bin/7zzs && chmod +x /usr/bin/7zzs
+FROM add7z AS app
+COPY --from=bomBuilder /tmp/bomutils/build/bin/mkbom /usr/bin/
+COPY --from=bomBuilder /tmp/bomutils/build/bin/lsbom /usr/bin/
+COPY --from=bomBuilder /tmp/bomutils/build/bin/dumpbom /usr/bin/
+RUN mkdir /app
+RUN mkdir /out
+COPY build_a_pkg.py /app/build_a_pkg.py
+WORKDIR /app/
+VOLUME /out
+VOLUME /app/input
+CMD python /app/build_a_pkg.py
\ No newline at end of file
diff --git a/build_a_pkg.py b/build_a_pkg.py
new file mode 100644
index 0000000..9200f16
--- /dev/null
+++ b/build_a_pkg.py
@@ -0,0 +1,125 @@
+import subprocess
+import os
+import pathlib
+import shutil
+import plistlib
+from string import Template
+import tempfile
+
+
+class MacOSAppInfo:
+    CFBundleIdentifier: str
+    CFBundleVersion: str
+    CFBundleName: str
+    CFBundleExecutable: str
+    CFBundleDisplayName: str
+    LSMinimumSystemVersion: str
+
+    def load_from_info_plist(self,path: str):
+        with open(path, 'rb') as iplfd:
+            plist = plistlib.load(iplfd)
+            if 'CFBundleIdentifier' in plist:
+                self.CFBundleIdentifier = plist["CFBundleIdentifier"]
+            if 'CFBundleVersion' in plist:
+                self.CFBundleVersion = plist["CFBundleVersion"]
+            if 'CFBundleName' in plist:
+                self.CFBundleName = plist["CFBundleName"]
+            if 'CFBundleExecutable' in plist:
+                self.CFBundleExecutable = plist["CFBundleExecutable"]
+            if 'CFBundleDisplayName' in plist:
+                self.CFBundleDisplayName = plist["CFBundleDisplayName"]
+            if 'LSMinimumSystemVersion' in plist:
+                self.LSMinimumSystemVersion = plist["LSMinimumSystemVersion"]
+
+def extract_dmg_app_and_contents(dmg_path: str, destination: str):
+    with tempfile.TemporaryDirectory("dmg_") as tdir:
+        convert_result = subprocess.run(['/usr/bin/7zzs', 'x', dmg_path,f"-o{tdir}"],shell=False)
+        for app in pathlib.Path(tdir).glob("*/*.app"):
+            shutil.copytree(app.absolute(),destination+"/"+app.name,dirs_exist_ok=True)
+        for pkg in pathlib.Path(tdir).glob("*/*.pkg"):
+            shutil.copyfile(pkg.absolute(),destination+"/"+pkg.name)
+_input_path = "input"
+
+#Check if we mapped a volume for working on
+if not os.path.isdir(_input_path):
+    exit(1)
+
+#Has a dmg - we should mount it and pull the app out
+for dmg in pathlib.Path(_input_path).glob("*.dmg"):
+    dmg_path = dmg.absolute()
+    extract_dmg_app_and_contents(dmg_path= dmg_path, destination=_input_path)    
+    
+has_app: bool = False
+for app in pathlib.Path(_input_path).glob("*.app"):
+    has_app = True
+
+has_pkg: bool = False
+for pkg in pathlib.Path(_input_path).glob("*.pkg"):
+    shutil.copyfile(pkg.absolute(),f"/out/{pkg.name}")
+    has_pkg = True
+
+#If the DMG has a package - we can stop
+if  has_pkg:
+    exit(0)
+
+if not has_app:
+    print("No app to package!")
+    exit(1)
+
+#Package the app
+#Root is where we create the payload from
+#Flat is where we make the pkg from with root GZ'd into a Payload file
+with tempfile.TemporaryDirectory("app_") as _package_base_path:
+    pathlib.Path(f"{_package_base_path}/flat/Resources/en.lproj").mkdir(parents=True)
+    pathlib.Path(f"{_package_base_path}/flat/base.pkg").mkdir(parents=True)
+    pathlib.Path(f"{_package_base_path}/root/Applications").mkdir(parents=True)
+
+    app_name = "ConvertedApp"
+    appInfo = MacOSAppInfo()
+    #Copy over all apps
+    for app in pathlib.Path(_input_path).glob("*.app"):
+        shutil.copytree(app.absolute(),f"{_package_base_path}/root/Applications/{app.name}")
+        app_name = app.name
+        appInfo.load_from_info_plist(f"{_package_base_path}/root/Applications/{app.name}/Contents/Info.plist")
+        
+
+    identifier = "com.converted."+app_name
+
+
+    #Get file counts and size for MacOS to use for progress and estimation of the install size
+    file_count = 0
+    file_size = 0
+    for item in pathlib.Path(f"{_package_base_path}/root/").rglob("*"):
+        if item.is_file() :
+            file_count+= 1
+            file_size += item.stat().st_size
+
+    #Add the metadata
+    package_info_template_src = ''
+    with open('templates/PackageInfo.template','r')  as pi_file:
+        package_info_template_src = pi_file.read()
+
+    package_info_template = Template(package_info_template_src)
+    package_info = package_info_template.substitute(IDENTIFIER=appInfo.CFBundleIdentifier,CFBUNDLE_IDENTIFIER=appInfo.CFBundleIdentifier,INSTALL_KBYTES=int(round(file_size/1024,ndigits=0)),NUMBER_OF_FILES=file_count,CFBUNDLEVERSION=appInfo.CFBundleVersion,PKG_VERSION="1.0",INSTALL_LOCATION="/",APP_PATH=f"./Applications/{app_name}",MIN_OS_VERSION="11.0",APP_NAME=app_name)
+
+    #Make a Distribution file https://developer.apple.com/library/archive/documentation/DeveloperTools/Reference/DistributionDefinitionRef/Chapters/Distribution_XML_Ref.html
+    distribution_template_src = ''
+    with open('templates/Distribution.template','r')  as di_file:
+        distribution_template_src = di_file.read()
+    distribution_template = Template(distribution_template_src)
+    distribution = distribution_template.substitute(IDENTIFIER=appInfo.CFBundleIdentifier,CFBUNDLE_IDENTIFIER=appInfo.CFBundleIdentifier,INSTALL_KBYTES=int(round(file_size/1024,ndigits=0)),NUMBER_OF_FILES=file_count,CFBUNDLEVERSION=appInfo.CFBundleVersion,PKG_VERSION="1.0",INSTALL_LOCATION="/",APP_PATH=f"./Applications/{app_name}",MIN_OS_VERSION="11.0",APP_NAME=app_name)
+
+
+    with open(f"{_package_base_path}/flat/base.pkg/PackageInfo", "w") as pkgInfoFd:
+        pkgInfoFd.write(package_info)
+
+        
+    with open(f"{_package_base_path}/flat/Distribution", "w") as distFd:
+        distFd.write(distribution)
+
+    #Package it up to CPIO and GZIP
+    subprocess.call(f"( cd {_package_base_path}/root && find . | cpio -o --format odc --owner 0:80 | gzip -c ) > {_package_base_path}/flat/base.pkg/Payload",shell=True)
+    subprocess.call(f"mkbom -u 0 -g 80 {_package_base_path}/root {_package_base_path}/flat/base.pkg/Bom",shell=True)
+    subprocess.call(f"cd {_package_base_path}/flat/ && xar --compression none -cf \"/out/{appInfo.CFBundleIdentifier}.pkg\" *",shell=True)
+    subprocess.call(f"( cd {_package_base_path} && pwd )",shell=True)
+
diff --git a/install_prereq_ubuntu.sh b/install_prereq_ubuntu.sh
new file mode 100644
index 0000000..9059063
--- /dev/null
+++ b/install_prereq_ubuntu.sh
@@ -0,0 +1,10 @@
+#assumes ubuntu:24.04
+
+apt update -y && apt install -y python3 curl xz-utils git build-essential autoconf libxml2-dev libssl-dev zlib1g-dev
+curl https://www.7-zip.org/a/7z2408-linux-x64.tar.xz -o 7z.tar.xz && tar -xf 7z.tar.xz 7zzs && cp 7zzs /usr/bin/7zzs && chmod +x /usr/bin/7zzs
+git clone "https://github.com/maltob/bomutils.git" /tmp/bomutils
+git clone "https://github.com/mackyle/xar.git" /tmp/xar
+cd /tmp/bomutils/
+make && make install
+cd /tmp/xar/xar
+sed -i 's/OpenSSL_add_all_ciphers/OPENSSL_init_crypto/g' configure.ac && ./autogen.sh && make && make install