diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..d010c6f
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,63 @@
+name: Docker Build/Publish
+
+on:
+  # schedule:
+  #   - cron: "20 4 * * *"
+  push:
+    branches: [main]
+    # Publish semver tags as releases.
+    tags: ["*.*.*"]
+    paths:
+      - "src/**"
+      - "poetry.lock"
+      - "pyProject.toml"
+      - ".dockerignore"
+      - "Dockerfile"
+  pull_request:
+    branches: [main]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..85c55eb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env
+.venv
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..195e754
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM python:3.11
+
+WORKDIR /usr/src/app
+
+RUN pip install poetry
+
+COPY poetry.lock pyproject.toml ./
+RUN poetry install --no-root --no-cache
+
+COPY ./src ./
+
+CMD ["poetry", "run", "python", "main.py"]
diff --git a/README.md b/README.md
index c4fcccc..ef00720 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
 # geist-pdu-exporter
+
+Prometheus exporter for Geist PDUs
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..299eb0b
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,204 @@
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+
+[[package]]
+name = "certifi"
+version = "2024.2.2"
+description = "Python package for providing Mozilla's CA Bundle."
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "certifi-2024.2.2-py3-none-any.whl", hash = "sha256:dc383c07b76109f368f6106eee2b593b04a011ea4d55f652c6ca24a754d1cdd1"},
+    {file = "certifi-2024.2.2.tar.gz", hash = "sha256:0569859f95fc761b18b45ef421b1290a0f65f147e92a1e5eb3e635f9a5e4e66f"},
+]
+
+[[package]]
+name = "charset-normalizer"
+version = "3.3.2"
+description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+optional = false
+python-versions = ">=3.7.0"
+files = [
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+]
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+[[package]]
+name = "idna"
+version = "3.7"
+description = "Internationalized Domain Names in Applications (IDNA)"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "idna-3.7-py3-none-any.whl", hash = "sha256:82fee1fc78add43492d3a1898bfa6d8a904cc97d8427f683ed8e798d07761aa0"},
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+[[package]]
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+version = "0.20.0"
+description = "Python client for the Prometheus monitoring system."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "prometheus_client-0.20.0-py3-none-any.whl", hash = "sha256:cde524a85bce83ca359cc837f28b8c0db5cac7aa653a588fd7e84ba061c329e7"},
+    {file = "prometheus_client-0.20.0.tar.gz", hash = "sha256:287629d00b147a32dcb2be0b9df905da599b2d82f80377083ec8463309a4bb89"},
+]
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+[package.extras]
+twisted = ["twisted"]
+
+[[package]]
+name = "python-dotenv"
+version = "1.0.1"
+description = "Read key-value pairs from a .env file and set them as environment variables"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "python-dotenv-1.0.1.tar.gz", hash = "sha256:e324ee90a023d808f1959c46bcbc04446a10ced277783dc6ee09987c37ec10ca"},
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+[package.extras]
+cli = ["click (>=5.0)"]
+
+[[package]]
+name = "requests"
+version = "2.32.2"
+description = "Python HTTP for Humans."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "requests-2.32.2-py3-none-any.whl", hash = "sha256:fc06670dd0ed212426dfeb94fc1b983d917c4f9847c863f313c9dfaaffb7c23c"},
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+charset-normalizer = ">=2,<4"
+idna = ">=2.5,<4"
+urllib3 = ">=1.21.1,<3"
+
+[package.extras]
+socks = ["PySocks (>=1.5.6,!=1.5.7)"]
+use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
+
+[[package]]
+name = "urllib3"
+version = "2.2.1"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+optional = false
+python-versions = ">=3.8"
+files = [
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+[package.extras]
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+h2 = ["h2 (>=4,<5)"]
+socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
+zstd = ["zstandard (>=0.18.0)"]
+
+[[package]]
+name = "xmltodict"
+version = "0.13.0"
+description = "Makes working with XML feel like you are working with JSON"
+optional = false
+python-versions = ">=3.4"
+files = [
+    {file = "xmltodict-0.13.0-py2.py3-none-any.whl", hash = "sha256:aa89e8fd76320154a40d19a0df04a4695fb9dc5ba977cbb68ab3e4eb225e7852"},
+    {file = "xmltodict-0.13.0.tar.gz", hash = "sha256:341595a488e3e01a85a9d8911d8912fd922ede5fecc4dce437eb4b6c8d037e56"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.10"
+content-hash = "11936ec25ed67b17b71d93a416169f9ed856e405838f4056694cf7b690d98688"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..63bdd99
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[tool.poetry]
+name = "geist-pdu-exporter"
+version = "0.1.0"
+description = "Prometheus exporter for Geist PDUs"
+authors = ["drewburr <drewburr9@gmail.com>"]
+license = "Apache-2.0"
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+requests = "^2.32.2"
+prometheus-client = "^0.20.0"
+python-dotenv = "^1.0.1"
+xmltodict = "^0.13.0"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..420a4f0
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,157 @@
+"""Application exporter"""
+
+import os
+import time
+from prometheus_client import start_http_server, Gauge, Counter, Enum
+import requests
+import xml.etree.ElementTree as ET
+from xml.etree.ElementTree import Element
+
+# pdu_
+
+
+class Exporter:
+    """
+    Representation of Prometheus metrics and loop to fetch and transform
+    application metrics into Prometheus metrics.
+    """
+
+    def __init__(self, address, port, polling_interval_seconds):
+        self.address = address
+        self.port = port
+        self.polling_interval_seconds = polling_interval_seconds
+
+        self.device_labels = ["id", "type"]
+        self.outlet_labels = ["name", "num", "url"]
+
+        self.device_metrics = {
+            "KWatt-hrs-Total": Gauge(
+                "pdu_kwh_total", "Total device KWh", self.device_labels
+            ),
+            "KWatt-hrs-A": Gauge("pdu_kwh", "Device KWh", self.device_labels),
+            "RealPower-Total": Gauge(
+                "pdu_realpower_total", "Device RealPower", self.device_labels
+            ),
+            "RealPower-A": Gauge(
+                "pdu_realpower", "Device realpower", self.device_labels
+            ),
+            "Volts-A": Gauge("pdu_volts", "Device voltage", self.device_labels),
+            "Volt-Pk-A": Gauge(
+                "pdu_volts_peak", "Device peak voltage", self.device_labels
+            ),
+            "Amps-A": Gauge("pdu_amps", "Device amperage", self.device_labels),
+            "Amps-Pk-A": Gauge(
+                "pdu_amps_peak", "Device peak amperage", self.device_labels
+            ),
+            "ApPower-A": Gauge(
+                "pdu_apparent_power", "Device apparent power", self.device_labels
+            ),
+            "Pwr-Factor%-A": Gauge(
+                "pdu_power_factor_percent",
+                "Power Factor Percentage",
+                self.device_labels,
+            ),
+        }
+
+        self.outlet_metrics = {
+            "amps": Gauge(
+                "pdu_outlet_amps",
+                "Outlet Amperage",
+                self.outlet_labels + self.device_labels,
+            ),
+            "kwatthrs": Gauge(
+                "pdu_outlet_kwh_total",
+                "Outlet Total KWh",
+                self.outlet_labels + self.device_labels,
+            ),
+            "watts": Gauge(
+                "pdu_outlet_watts",
+                "Outlet Watts",
+                self.outlet_labels + self.device_labels,
+            ),
+        }
+
+        self.outlet_status = Enum(
+            "pdu_outlet_status",
+            "Outlet status",
+            self.outlet_labels + self.device_labels,
+            states=["On", "Off"],
+        )
+
+    def start_export_loop(self):
+        """Metrics fetching loop"""
+
+        while True:
+            self.process()
+            time.sleep(self.polling_interval_seconds)
+
+    def process(self):
+        """
+        Generate metrics and publish
+        """
+        root = self.fetch()
+        devices = root.find("devices")
+
+        for device in devices:
+            self.process_device(device)
+
+    def process_device(self, device: Element):
+        outlets = device.find("outlets")
+        if not outlets:
+            return
+
+        device_labels = {label: device.attrib[label] for label in self.device_labels}
+
+        for child in device:
+            if not child.tag == "field":
+                continue
+
+            metric = self.device_metrics.get(child.attrib["key"])
+            if metric:
+                metric.labels(**device_labels).set(float(child.attrib["value"]))
+
+        for outlet in outlets:
+            self.process_outlet(outlet, device_labels)
+
+    def process_outlet(self, outlet: Element, device_labels: dict[str, str]):
+        outlet_labels = {label: outlet.attrib[label] for label in self.outlet_labels}
+        outlet_labels = {**outlet_labels, **device_labels}
+
+        for attr, metric in self.outlet_metrics.items():
+            metric.labels(**outlet_labels).set(float(outlet.attrib[attr]))
+
+        self.outlet_status.labels(**outlet_labels).state(outlet.attrib["status"])
+
+    def fetch(self):
+        """
+        Get metrics from PDU and return
+        """
+        resp = requests.get(url=f"http://{self.address}:{self.port}/data.xml")
+        root = ET.fromstring(resp.text)
+        return root
+
+
+def main():
+    """Main entry point"""
+    from dotenv import load_dotenv
+
+    load_dotenv(
+        override=False
+    )  # load .env into environment variables, without override
+
+    PDU_ADDRESS = os.getenv("PDU_ADDRESS")
+    PDU_PORT = int(os.getenv("PDU_PORT", "80"))
+    POLLING_INTERVAL_SECONDS = int(os.getenv("POLLING_INTERVAL_SECONDS", "5"))
+    LISTEN_PORT = int(os.getenv("LISTEN_PORT", "9100"))
+
+    exporter = Exporter(
+        address=PDU_ADDRESS,
+        port=PDU_PORT,
+        polling_interval_seconds=POLLING_INTERVAL_SECONDS,
+    )
+    start_http_server(LISTEN_PORT)
+    exporter.start_export_loop()
+
+
+if __name__ == "__main__":
+    main()