INitial commit

Signed-off-by: Bill Maxwell <[email protected]>

.github/workflows/publish.yaml

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+name: Publish Acorn image
+on:
+  push:
+    tags:
+      - "v[0-9]*"
+
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: acorn-io/actions-setup@v2
+        with:
+          acorn-version: "main"
+      - name: Login to GHCR
+        uses: acorn-io/actions-login@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and Publish Acorn image
+        run: |
+          TAG=${GITHUB_REF#refs/*/}
+          USER=${{ github.repository_owner }}
+          REPO=${{ github.event.repository.name }}
+          acorn build --platform linux/amd64 --push -t ghcr.io/$USER/$REPO:$TAG .
+          acorn build --platform linux/amd64 --push -t ghcr.io/$USER/$REPO/examples:$TAG examples

Acornfile

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+services: mongo: {
+	generated: job: "create"
+	default: true
+}
+
+jobs: create: {
+	image: "alpine"
+	env: {
+		"secret://config": ""
+	}
+	dirs: {
+		"/acorn/scripts": "./scripts"
+	}
+	entrypoint: ["/acorn/scripts/render.sh"]
+}
+
+secrets: user: {
+	type: "generated"
+	params: job: "create"
+}
+
+secrets: admin: {
+	type: "generated"
+	params: job: "create"
+}
+
+secrets: config: {
+	type: "credential.acorn.io/mongodb"
+	params: {
+		instructions: localData.instructions
+		promptOrder: ["proto", "address", "port", "adminUsername", "adminPassword", "username", "password"]
+	}
+	data: {
+		address:       ""
+		port:          ""
+		username:      ""
+		password:      ""
+		adminUsername: ""
+		adminPassword: ""
+		proto:         ""
+		dbName:        ""
+	}
+}
+
+localData: instructions: """
+    ## Overview
+
+    This will create the service from an existing MongoDB so that it can be swapped with the MongoDB container service.
+
+    ## Instructions
+
+    fill in:
+
+    - address: the address of the MongoDB server (mongo.example.com)
+    - port: the port of the MongoDB server (27017)
+    - username: the username to use to connect to the MongoDB server
+    - password: the password to use to connect to the MongoDB server
+    - adminUsername: the username to use to connect to the MongoDB server as an admin
+    - adminPassword: the password to use to connect to the MongoDB server as an admin
+    - proto: the protocol to use to connect to the MongoDB server (mongodb or mongodb+srv)
+    - dbName: the name of the database to use 
+    """

examples/Acornfile

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+//profiles: prod: {
+//image: images.prod.image
+//}
+
+services: db: {
+	//image: args.image
+	build: {
+		context:   "../"
+		acornfile: "Acornfile"
+	}
+}
+
+containers: {
+	app: {
+		build: {
+			context:    "."
+			dockerfile: "./Dockerfile"
+			target:     "dev"
+		}
+		consumes: ["db"]
+		ports: publish: "8000/http"
+		env: {
+			DB_HOST:  "@{service.db.address}"
+			DB_NAME:  "@{service.db.data.dbName}"
+			DB_PROTO: "@{service.db.data.proto}"
+			DB_USER:  "@{service.db.secrets.user.username}"
+			DB_PASS:  "@{service.db.secrets.user.password}"
+		}
+	}
+}
+
+//images: dev: image:  "ghcr.io/acorn-io/mongodb:v#.#-#"
+//images: prod: image: "ghcr.io/cloudnautique/mongodb-generic:v#.#.#"

examples/Dockerfile

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+FROM python:3.9 as base
+WORKDIR /app
+
+FROM base as build
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+COPY . .
+
+FROM build as dev
+EXPOSE 8000
+CMD ["uvicorn", "main:app", "--reload", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers"]
+
+FROM build as production
+EXPOSE 8000
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

examples/main.py

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+import os
+from fastapi import FastAPI, Request
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+from pymongo import MongoClient
+
+app = FastAPI()
+app.mount("/static", StaticFiles(directory="static"), name="static")
+templates = Jinja2Templates(directory="templates")
+
+DB_HOST = os.environ.get('DB_HOST')
+DB_PORT = os.environ.get('DB_PORT', '27017')
+DB_USER = os.environ.get('DB_USER')
+DB_PASS = os.environ.get('DB_PASS')
+DB_NAME = os.environ.get('DB_NAME')
+DB_PROTO = os.environ.get('DB_PROTO', 'mongodb+svr')
+
+# Default mongo connection string
+MONGO_URI = f"{DB_PROTO}://{DB_USER}:{DB_PASS}@{DB_HOST}/{DB_NAME}?authSource=admin"
+
+if DB_PROTO == "mongodb":
+  MONGO_URI = f"{DB_PROTO}://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}?authSource=admin"
+
+client = MongoClient(MONGO_URI)
+db = client[DB_NAME] 
+collection = db.hits_collection 
+
+@app.get('/', response_class=HTMLResponse)
+async def hello(request: Request):
+    # If the counter does not exist, we initialize it with a value of 0
+    counter_data = collection.find_one({"_id": "page_counter"})
+    if not counter_data:
+        collection.insert_one({"_id": "page_counter", "count": 0})
+        counter = 0
+    else:
+        counter = counter_data["count"]
+
+    # Increment the counter
+    collection.update_one({"_id": "page_counter"}, {"$inc": {"count": 1}})
+    counter += 1
+
+    return templates.TemplateResponse("index.html", {"request": request, "counter": counter})

examples/requirements.txt

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+fastapi == 0.101.0
+uvicorn[standard] == 0.23.2
+pymongo[srv]==3.12.0
+Jinja2 == 3.1.2

examples/static/style.css

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+html, body {
+  height: 100%;
+  margin: 0;
+  padding: 0;
+  background: #483285;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  text-align: center;
+  color: white;
+  font-family: Arial, sans-serif;
+}
+.content {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  margin: 0;
+  padding: 0;
+}
+img {
+  width: 100%;
+  max-width: 100%;
+  height: auto;
+  margin-bottom: 20px;
+}
+.counter {
+  font-size: 4rem;
+  width: 100%;
+  margin-top: 0;
+}

examples/templates/index.html

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+    <!DOCTYPE html>
+    <html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <title>Stylish Counter</title>
+        <link href="/static/style.css" rel="stylesheet">
+    </head>
+    <body>
+        <div class="content">
+            <img src="/static/acorn.png" alt="Acorn logo" />
+            <div class="counter">Page views: {{counter}}</div>
+        </div>
+    </body>
+    </html>

scripts/render.sh

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+#!/bin/sh
+
+cat > /run/secrets/output<<EOF
+services: mongo: {
+  address: "${address}"
+  default: true
+  secrets: ["admin", "user"]
+  ports: "${port}"
+  data: {
+    proto: "${proto}"
+    dbName: "${dbName}"
+  }
+}
+
+secrets: admin: {
+  type: "basic"
+  data: {
+    username: "${adminUsername}"
+    password: "${adminPassword}"
+  }
+}
+
+secrets: user: {
+  type: "basic"
+  data: {
+    username: "${username}"
+    password: "${password}"
+  }
+}
+EOF