docker
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43
Docker/Infos.txt
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43
Docker/Infos.txt
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---------------------------------------------
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Dockerfile Java
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---------------------------------------------
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FROM eclipse-temurin:17-jdk
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WORKDIR /Ecriture
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COPY Ecriture.java .
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RUN javac Ecriture.java
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CMD ["java", "Ecriture"]
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---------------------------------------------
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Commandes
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---------------------------------------------
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Build & run :
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--------------
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sudo docker build -t appli .
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sudo docker run --r appli
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Statut docker :
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----------------
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sudo docker ps (--> Liste l'ensemble des processus dockers en cours, équivalent de ls pour les dockers lancés)
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Accéder aux fichiers du conteneur :
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-----------------------
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sudo docker exec -it <id_du_conteneur> bash (--> Permet d'accéder aux fichiers du conteneur, on obtient l'id du conteneur avec sudo docker ps)
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Créer un volume (monter un dossier de sa machine dans le docker) :
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------------------------------------------------------------------
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sudo docker run -v $(pwd):/appli nom-image (--> le dossier ":/appli" doit être le nom spécifié dans le Dockerfile, soit WORKDIR /appli)
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8
Docker/TP2/Dockerfile
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8
Docker/TP2/Dockerfile
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FROM eclipse-temurin:17-jdk
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WORKDIR /Ecriture
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COPY Ecriture.java .
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RUN javac Ecriture.java
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CMD ["java", "Ecriture"]
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BIN
Docker/TP2/Ecriture.class
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BIN
Docker/TP2/Ecriture.class
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Binary file not shown.
48
Docker/TP2/Ecriture.java
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48
Docker/TP2/Ecriture.java
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import java.awt.*;
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import java.io.*;
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public class Ecriture {
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public static void ecrireFichier() {
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try {
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BufferedWriter flux = new BufferedWriter(new FileWriter("Texte.txt", true));
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try {
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String aEcrire = "Hello world!";
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flux.write(aEcrire, 0, aEcrire.length());
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flux.newLine();
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try {
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flux.close();
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} catch (IOException e3) {
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System.err.println("Erreur de fermeture.");
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}
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} catch (IOException e2) {
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System.err.println("Erreur d'écriture.");
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}
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} catch (IOException e1) {
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System.err.println("Erreur d'ouverture.");
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}
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}
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public static void main(String[] args) {
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while (true) {
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Ecriture.ecrireFichier();
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System.out.println("Fichier modifié.");
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try {
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Thread.sleep(5000);
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} catch (InterruptedException e4) {
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System.err.println("Erreur de timer.");
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}
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}
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}
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}
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2
Docker/TP2/Texte.txt
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2
Docker/TP2/Texte.txt
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Hello world!
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Hello world!
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