init

Dockerfile

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+# Base Image für den Container - entsprechend der genutzten Python Version anpassen
+FROM python:3.10.13-bullseye
+
+# Verhindert das Kopieren von pvc Dateien - relevant?
+ENV PYTHONDONTWRITEBYTECODE 1
+
+# Sorft dafür, dass Python-Output zum Terminal geschickt wird
+ENV PYTHONUNBUFFERED 1
+
+# Updates und Installation der nötigen Software - entsprechend anpassen
+RUN apt-get update \
+  && apt-get install -y build-essential \
+  && apt-get install -y libpq-dev \
+  && apt-get install -y gettext \
+  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+  && rm -rf /var/lib/apt/lists/*
+
+# Kopiervorgang Host > Container
+COPY ./requirements.txt /requirements.txt
+
+# Installation der Abhängigkeiten
+RUN pip install -r /requirements.txt --no-cache-dir
+
+# Dir, von der die Befehle abgesetzt werden
+WORKDIR /app
+
+# Uvicorn Befehl, um die App zu starten
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

README.md

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+# Andi's App - Irgendwas mit K
+
+# Commands
+
+`alias pps="podman container ps -a"`
+`alias pre="podman-compose down && podman-compose up -d"`
+
+`podman-compose up`
+`podman-compose down`
+
+# Dockerfile
+
+[Dockerfile Reference](https://docs.docker.com/reference/dockerfile/)
+[Compose File Reference](https://docs.docker.com/reference/compose-file/)
+[Podman 'Basic' Networking](https://github.com/containers/podman/blob/main/docs/tutorials/basic_networking.md)
+[Postgres Dockerhub](https://hub.docker.com/_/postgres/tags?page=3)
+
+### Source Dockerfile + App
+
+https://dev.to/mbuthi/devops-with-fast-api-postgresql-how-to-containerize-fast-api-application-with-docker-1jdb
+
+### Unterschiede RUN CMD ENTRYPOINT
+
+https://stackoverflow.com/questions/37461868/difference-between-run-and-cmd-in-a-dockerfile
+
+### Beschreibung WORKDIR
+
+https://stackoverflow.com/a/51066379
+
+## POSTGRES
+
+### Restore/Backup
+
+https://stackoverflow.com/a/29913462
+
+# Reference
+
+[Explainshell](https://github.com/idank/explainshell)

docker-compose.yml

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+# specify the compose version
+version: '3.7'
+
+# Specify the services for our docker compose setup
+services:
+
+  api:
+    build:
+      # path to the directory containing the Dockerfile
+      context: .
+
+      # Specify the image name
+    image: products_api
+
+    container_name: andi-app
+    # this volume is used to map the files and folders on the host to the container
+    # so if we change code on the host, code in the docker container will also be changed
+    volumes:
+      - .:/app
+
+    # Map port 8000 on the host to port 8000 on the container
+    ports:
+      - 8000:8000
+
+    # Specify the .env file path
+    env_file:
+      - ./.env
+
+    # Define a dependency on the "products_db" service, so it starts first
+    depends_on:
+      - products_db
+
+  products_db:
+
+    # specify the image name of our database
+    # If the image is not found in our local repository
+    # It will be pulled from docker registry that is Docker Hub
+    image: docker.io/postgres:latest
+    container_name: andi-db
+
+    # Mount a volume to persist postgreSQL data
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+    environment:  # Use environment variables for db configuration
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DATABASE=${POSTGRES_DATABASE}
+
+# Define a volume for persisting postgreSQL data
+volumes:
+  postgres_data:
+
+# Source
+# https://dev.to/mbuthi/devops-with-fast-api-postgresql-how-to-containerize-fast-api-application-with-docker-1jdb

main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}

requirements.txt

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+fastapi
+uvicorn