Add Docker support

.dockerignore

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+.git
+.github
+data/
+logs/
+config/
+*.md
+*.sample
+man/
+__pycache__
+*.pyc
+.dockerignore
+docker-compose.yml

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: |
+          pip install -r requirements-all.txt
+          pip install flake8
+
+      - name: Lint with flake8
+        run: flake8 NotiMail.py --max-line-length=120 --count --show-source --statistics

.github/workflows/docker.yml

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+name: Docker
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha
+
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM python:3.11-alpine
+
+WORKDIR /app
+
+RUN apk add --no-cache su-exec
+
+COPY requirements-all.txt requirements.txt ./
+RUN pip install --no-cache-dir -r requirements-all.txt
+
+RUN adduser -D -u 1000 notimail
+
+COPY NotiMail.py entrypoint.sh ./
+RUN chmod +x entrypoint.sh
+
+RUN mkdir -p /app/config /app/data /app/logs \
+    && chown -R notimail:notimail /app
+
+VOLUME ["/app/config", "/app/data", "/app/logs"]
+
+HEALTHCHECK --interval=60s --timeout=5s --start-period=10s --retries=3 \
+    CMD pgrep -f "python NotiMail.py" > /dev/null || exit 1
+
+ENTRYPOINT ["/app/entrypoint.sh"]

config/config.ini.sample

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+[GENERAL]
+LogFileLocation = /app/logs/notimail.log
+DataBaseLocation = /app/data/processed_emails.db
+#LogRotationType can be "size" or "time"
+LogRotationType = size
+#LogRotationSize - Only if size is selected - default is 10 MB
+LogRotationSize = 10485760
+#LogRotationInterval - Only if time is selected - in days
+LogRotationInterval = 7
+LogBackupCount = 5
+
+# API Key used to access private information
+#APIKey = YouApiKeyHERE!
+
+# Prometheus configuration won't be enabled if not specified or if the required libraries are not present.
+#PrometheusHost = 0.0.0.0
+#PrometheusPort = 8000
+
+# API Flask Interface won't be enabled if not specified or if the required libraries are not present.
+#FlaskHost = 0.0.0.0
+#FlaskPort = 8080
+
+[EMAIL:account1]
+EmailUser = your@address.com
+EmailPass = YourPassword
+Host = mail.example.com
+#Folders = inbox, sent
+
+# Uncomment and configure the following sections for account-specific notification providers
+
+#[NTFY:account1]
+#Url1 = https://ntfy.sh/TOPIC1
+#Token1 = Optional token to send notifications to protected topics
+#Url2 = https://ntfy.sh/TOPIC2
+#Token2 = Optional token to send notifications to protected topics
+
+#[PUSHOVER:account1]
+#ApiToken = YOUR_PUSHOVER_API_TOKEN
+#UserKey = YOUR_PUSHOVER_USER_KEY
+
+#[GOTIFY:account1]
+#Url = https://gotify.example.com/message
+#Token = your_gotify_token
+
+#[APPRISE:account1]
+#urls = pover://user@token, discord://webhook_id/webhook_token
+
+#[EMAIL:account2]
+#EmailUser = your@address.com
+#EmailPass = YourPassword
+#Host = mail.server.com
+#Folders = inbox, sent
+
+# Uncomment and configure the following sections for account-specific notification providers
+
+#[NTFY:account2]
+#Url1 = https://ntfy.sh/TOPIC3
+#Token1 = Optional token
+#Url2 = https://ntfy.sh/TOPIC4
+#Token2 = Optional token
+
+#[PUSHOVER:account2]
+#ApiToken = YOUR_PUSHOVER_API_TOKEN
+#UserKey = YOUR_PUSHOVER_USER_KEY
+
+#[GOTIFY:account2]
+#Url = https://gotify.example.com/message
+#Token = your_gotify_token
+
+#[APPRISE:account2]
+#urls = pover://user@token, discord://webhook_id/webhook_token
+
+# Global notification providers
+# If no account-specific notification providers are defined, these will be used - please, set at least one notification provider
+
+[NTFY]
+Url1 = https://ntfy.example.com/global_topic
+Token1 = Optional global token
+
+#[PUSHOVER]
+#ApiToken = YOUR_GLOBAL_PUSHOVER_API_TOKEN
+#UserKey = YOUR_GLOBAL_PUSHOVER_USER_KEY
+
+#[GOTIFY]
+#Url = https://gotify.example.com/message
+#Token = your_global_gotify_token
+
+#[APPRISE]
+#urls = pover://user@token, discord://webhook_id/webhook_token

docker-compose.yml

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+services:
+  notimail:
+    image: ghcr.io/pepper3k/notimail:main
+    # To build locally instead, comment out 'image' and uncomment 'build':
+    # build: .
+    container_name: notimail
+    restart: unless-stopped
+    volumes:
+      - ./config:/app/config
+      - ./data:/app/data
+      - ./logs:/app/logs
+    ports:
+      - "8080:8080"   # Flask web interface
+      - "8000:8000"   # Prometheus metrics

entrypoint.sh

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+#!/bin/sh
+chown -R notimail:notimail /app/config /app/data /app/logs
+exec su-exec notimail python NotiMail.py -c /app/config/config.ini "$@"