[main] Git stuff

.gitea/workflows/README-nomad-job.md

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+
+### **Top-Level Job Configuration**
+#### `job`
+- **Purpose**: Defines the Nomad job.
+- **Attributes**:
+  - `region`: Specifies the Nomad region where the job should run. [Reference: Nomad Regions](https://developer.hashicorp.com/nomad/docs/regions)
+  - `datacenters`: Lists the datacenters in which the job is eligible to run. [Reference: Job Placement](https://developer.hashicorp.com/nomad/docs/job-specification/datacenters)
+  - `type`: Defines the job type (`service` in this case). Service jobs are typically long-running. [Reference: Job Types](https://developer.hashicorp.com/nomad/docs/job-specification/job)
+
+---
+
+### **Update Block**
+#### `update`
+- **Purpose**: Specifies rolling update strategy for service jobs.
+- **Attributes**:
+  - `stagger`: Time between starting updates for each allocation.
+  - `max_parallel`: Number of allocations to update simultaneously.
+  - `progress_deadline`: Time to wait for a deployment to progress before failing.
+- [Reference: Update Stanza](https://developer.hashicorp.com/nomad/docs/job-specification/update)
+
+---
+
+### **Group Configuration**
+#### `group`
+- **Purpose**: Defines a group of tasks that should be placed together on the same node.
+- **Attributes**:
+  - `count`: Number of task groups to run.
+- [Reference: Task Group](https://developer.hashicorp.com/nomad/docs/job-specification/group)
+
+---
+
+### **Network Configuration**
+#### `network`
+- **Purpose**: Specifies networking requirements for the task group.
+- **Attributes**:
+  - `port`: Defines a named port mapping for the task group.
+    - `to`: Specifies the internal port the application listens to within the container.
+- [Reference: Network Stanza](https://developer.hashicorp.com/nomad/docs/job-specification/network)
+
+---
+
+### **Consul Integration**
+#### `service`
+- **Purpose**: Registers the service with Consul for discovery.
+- **Attributes**:
+  - `provider`: Specifies the service discovery provider (`consul`).
+  - `name`: The name of the service in Consul.
+  - `port`: References the named port defined in the `network` block.
+  - `tags`: Metadata tags to annotate the service (e.g., for routing in Traefik).
+  - `check`: Defines health check parameters for the service.
+    - `name`: Name of the health check.
+    - `type`: Health check type (`tcp` in this case).
+    - `interval`: Frequency of the health check.
+    - `timeout`: Maximum duration for the health check.
+- [Reference: Consul Service Stanza](https://developer.hashicorp.com/nomad/docs/job-specification/service)
+
+---
+
+### **Task Configuration**
+#### `task`
+- **Purpose**: Defines a single executable unit of work.
+- **Attributes**:
+  - `driver`: Specifies the driver (`docker` in this case).
+  - `config`: Driver-specific configuration.
+    - `image`: Docker image for the task.
+    - `ports`: References the named port defined in the `network` block.
+  - `env`: Sets environment variables for the task.
+  - `resources`: Specifies resource requirements for the task.
+    - `cpu`: CPU allocation in MHz.
+    - `memory`: Memory allocation in MB.
+- [Reference: Task Stanza](https://developer.hashicorp.com/nomad/docs/job-specification/task)
+
+---
+
+### **Dynamic Port Allocation**
+#### `${NOMAD_PORT_<port-label>}`
+- **Purpose**: Refers to the dynamically allocated host port mapped to the internal container port.
+- **Usage**: This is used in the `env` and `tags` sections to dynamically configure the application and Consul registration.
+- [Reference: Port Variables](https://developer.hashicorp.com/nomad/docs/runtime/environment#ports)
+
+---
+
+### **Key Takeaways**
+1. This job defines a **service** that runs as a Docker container, listens on a dynamically assigned port, and registers itself in **Consul** for service discovery.
+2. The `network` stanza ensures that Nomad assigns a dynamic host port, while the `${NOMAD_PORT_<port-label>}` variable is used to pass this information to the container and Consul.
+3. The `update` stanza ensures smooth rolling updates for the service.
+
+For further details and advanced configurations, refer to the [Nomad Job Specification Documentation](https://developer.hashicorp.com/nomad/docs/job-specification).

.gitea/workflows/main.yml.tmpl

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+name: Build, Push, and Deploy to Nomad
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  docker-nomad:
+    runs-on: self-hosted
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      - name: Log in to Container Registry
+        run: echo ${{ secrets.password }} | docker login registry.i80.dk -u ${{ secrets.username }} --password-stdin
+
+      - name: Build Docker Image
+        run: |
+          COMMIT_HASH=$(git rev-parse --short HEAD)
+          docker build -t registry.i80.dk/gitea/portugalfaq:latest -t registry.i80.dk/gitea/portugalfaq:${COMMIT_HASH} .
+
+
+      - name: Push Docker Image
+        run: |
+          COMMIT_HASH=$(git rev-parse --short HEAD)
+          echo "registry.i80.dk/gitea/portugalfaq:latest"
+          echo "registry.i80.dk/gitea/portugalfaq:${COMMIT_HASH}"
+          docker push registry.i80.dk/gitea/portugalfaq:${COMMIT_HASH}
+          docker push registry.i80.dk/gitea/portugalfaq:latest
+
+
+      - name: Validate Nomad Job
+        env:
+          NOMAD_ADDR: https://nomad.i80.dk
+        run: nomad job validate .gitea/workflows/nomad-job.hcl
+
+      - name: Stop old deployment
+        env:
+          NOMAD_ADDR: https://nomad.i80.dk
+        run: nomad job stop -purge -no-shutdown-delay portugalfaq
+        continue-on-error: true
+
+
+      - name: Apply Nomad Job
+        env:
+          NOMAD_ADDR: https://nomad.i80.dk
+        run: nomad job run .gitea/workflows/nomad-job.hcl
+
+      - name: Update Nginx Configuration
+        run:  ssh runner@nomad sudo /opt/nginx_updater/venv/bin/python3 /opt/nginx_updater/nginx_updater.py portugalfaq
+
+
+
+#      - name: Restart Nomad Job
+#        env:
+#          NOMAD_ADDR: https://nomad.i80.dk
+#        run: |
+#          nomad job stop portugalfaq
+#          sleep 5  # Optional: Wait to ensure the old allocation is stopped
+#          nomad job run .gitea/workflows/nomad-job.hcl

.gitea/workflows/nomad-job.hcl.tmpl

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+job "portugalfaq" {
+  region      = "global"
+  datacenters = ["dc1"]
+  type        = "service"
+
+  update {
+    stagger      = "60s"
+    max_parallel = 1
+    progress_deadline = "6m"
+  }
+
+  group "portugalfaq-group" {
+    count = 1
+
+    network {
+      port "port-app" {
+        to = 9912  # Internal application port
+      }
+    }
+
+    # Register the service with Consul
+    service {
+      provider = "consul"
+      name     = "portugalfaq"
+      port     = "port-app"
+
+      # Traefik-specific tags for routing
+      tags = [
+        "PORT=${NOMAD_PORT_port-app}"
+      ]
+
+      # Define a health check using TCP
+      check {
+        name     = "tcp_check"
+        type     = "tcp"
+        interval = "10s"
+        timeout  = "2s"
+      }
+    }
+
+    task "portugalfaq-task" {
+      driver = "docker"
+
+      config {
+        image = "registry.i80.dk/gitea/portugalfaq:latest"
+        ports = ["port-app"]
+      }
+
+      env {
+        APP_ENV = "production"
+        PORT    = "${NOMAD_PORT_port-app}"
+      }
+
+      resources {
+        cpu    = 250
+        memory = 80
+      }
+    }
+  }
+}

Dockerfile

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+# Base image with Python 3.11
+FROM python:3.11-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file to the working directory
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port the app runs on (default Flask port)
+EXPOSE 5000
+
+# Define environment variables
+ENV FLASK_APP=app.py
+ENV FLASK_RUN_HOST=0.0.0.0
+ENV PORT=5000
+# Command to run the application
+#CMD ["flask", "run", "--port", "${PORT}"]
+CMD flask run --port ${PORT}