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34
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# Example Dockerfile for amd64
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# 1. ARGs vor FROM deklarieren (für das Basis-Image)
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ARG BASE_IMAGE=alpine:latest
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FROM ${BASE_IMAGE}
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# 2. ARGs nach FROM erneut deklarieren (für die Verwendung im Build)
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ARG MAINTAINER
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ARG TZ
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ARG APP_NAME
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ARG APP_USER
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# Metadaten setzen
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LABEL maintainer="${MAINTAINER}"
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LABEL org.opencontainers.image.title="${APP_NAME}"
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# Umgebungsvariablen im Container setzen
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ENV TZ=${TZ}
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ENV USER=${APP_USER}
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# Basis-System Update (Beispiel für Alpine)
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RUN apk add --no-cache tzdata ca-certificates
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# Verzeichnisse aus dem Template vorbereiten
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WORKDIR /app
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COPY ./config /app/config
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COPY ./data /app/data
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# Beispiel: User anlegen
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RUN adduser -D ${APP_USER} && chown -R ${APP_USER}:${APP_USER} /app
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USER ${APP_USER}
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CMD ["sh"]
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