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admin_grundlagen:docker:build
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen gezeigt.
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admin_grundlagen:docker:build [2026/05/30 17:13] peter_rossbach2 [Docker Image aktualisieren] |
admin_grundlagen:docker:build [2026/06/01 12:13] (aktuell) peter_rossbach2 [Docker Image aktualisieren] |
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| Zeile 111: | Zeile 111: | ||
| <code bash> | <code bash> | ||
| mkdir ~/ubi9-nginx && cd ~/ubi9-nginx | mkdir ~/ubi9-nginx && cd ~/ubi9-nginx | ||
| - | cat >Dockerfile <<EOF | + | cat >Dockerfile <<EOR |
| FROM registry.access.redhat.com/ubi9/ubi-init | FROM registry.access.redhat.com/ubi9/ubi-init | ||
| + | RUN cat <<'EOF' >/etc/yum.repos.d/nginx.repo | ||
| + | [nginx-stable] | ||
| + | name=nginx stable repo | ||
| + | baseurl=http://nginx.org/packages/rhel/9/\$basearch/ | ||
| + | gpgcheck=1 | ||
| + | enabled=1 | ||
| + | gpgkey=https://nginx.org/keys/nginx_signing.key | ||
| + | module_hotfixes=true | ||
| + | EOF | ||
| + | |||
| RUN dnf -y install nginx \ | RUN dnf -y install nginx \ | ||
| && dnf clean all \ | && dnf clean all \ | ||
| Zeile 118: | Zeile 128: | ||
| STOPSIGNAL SIGRTMIN+3 | STOPSIGNAL SIGRTMIN+3 | ||
| CMD ["/sbin/init"] | CMD ["/sbin/init"] | ||
| - | EOF | + | EOR |
| docker build -t ubi9-nginx-systemd:0.0.1 . | docker build -t ubi9-nginx-systemd:0.0.1 . | ||
| - | docker run --name ubi9-nginx -d -p 8090:80 ubi9-nginx-systemd:0.0.1 | + | docker run --name ubi9-nginx --privileged -d -p 8090:80 ubi9-nginx-systemd:0.0.1 |
| + | docker exec -it ubi9-nginx nginx -v | ||
| docker exec -it ubi9-nginx systemctl status | docker exec -it ubi9-nginx systemctl status | ||
| docker exec -it ubi9-nginx journalctl -u nginx | docker exec -it ubi9-nginx journalctl -u nginx | ||
| Zeile 130: | Zeile 141: | ||
| <code bash> | <code bash> | ||
| # build with compose | # build with compose | ||
| - | cat >compose.yml <<EOF | + | cat >compose.yml <<EOR |
| services: | services: | ||
| nginx: | nginx: | ||
| build: . | build: . | ||
| + | privileged: true | ||
| ports: | ports: | ||
| - "8090:80" | - "8090:80" | ||
| Zeile 141: | Zeile 153: | ||
| - /tmp | - /tmp | ||
| stop_signal: SIGRTMIN+3 | stop_signal: SIGRTMIN+3 | ||
| - | EOF | + | EOR |
| docker compose build | docker compose build | ||
| docker compose up -d | docker compose up -d | ||
| Zeile 152: | Zeile 164: | ||
| <code bash> | <code bash> | ||
| - | cat >Dockerfile <<EOF | + | cat >Dockerfile <<EOR |
| FROM registry.access.redhat.com/ubi9/ubi-init | FROM registry.access.redhat.com/ubi9/ubi-init | ||
| + | RUN cat <<'EOF' >/etc/yum.repos.d/nginx.repo | ||
| + | [nginx-stable] | ||
| + | name=nginx stable repo | ||
| + | baseurl=http://nginx.org/packages/rhel/9/\$basearch/ | ||
| + | gpgcheck=1 | ||
| + | enabled=1 | ||
| + | gpgkey=https://nginx.org/keys/nginx_signing.key | ||
| + | module_hotfixes=true | ||
| + | EOF | ||
| + | |||
| RUN dnf -y install nginx \ | RUN dnf -y install nginx \ | ||
| && dnf clean all | && dnf clean all | ||
| - | # nginx logs -> journal + container console | + | # nginx logs to files (important for tail) |
| + | RUN mkdir -p /var/log/nginx | ||
| + | |||
| + | # systemd override for nginx | ||
| RUN mkdir -p /etc/systemd/system/nginx.service.d && \ | RUN mkdir -p /etc/systemd/system/nginx.service.d && \ | ||
| - | cat <<'EOF' >/etc/systemd/system/nginx.service.d/logging.conf | + | cat <<'EOF' >/etc/systemd/system/nginx.service.d/override.conf |
| [Service] | [Service] | ||
| - | StandardOutput=journal+console | + | StandardOutput=journal |
| - | StandardError=journal+console | + | StandardError=journal |
| - | + | ||
| - | ExecStartPost=/usr/bin/tail -F /var/log/nginx/access.log | + | |
| EOF | EOF | ||
| - | # journald -> container console | + | # log forwarder service |
| - | RUN mkdir -p /etc/systemd/journald.conf.d && \ | + | RUN cat <<'EOF' >/etc/systemd/system/nginx-log-forwarder.service |
| - | cat <<'EOF' >/etc/systemd/journald.conf.d/console.conf | + | [Unit] |
| - | [Journal] | + | Description=Nginx log forwarder |
| - | ForwardToConsole=yes | + | After=nginx.service |
| - | TTYPath=/dev/console | + | Requires=nginx.service |
| + | [Service] | ||
| + | Type=simple | ||
| + | ExecStart=/bin/sh -c '/usr/bin/tail -F /var/log/nginx/access.log /var/log/nginx/error.log' | ||
| + | Restart=always | ||
| + | [Install] | ||
| + | WantedBy=multi-user.target | ||
| EOF | EOF | ||
| - | RUN systemctl enable nginx | + | |
| + | RUN systemctl enable nginx \ | ||
| + | && systemctl enable nginx-log-forwarder | ||
| STOPSIGNAL SIGRTMIN+3 | STOPSIGNAL SIGRTMIN+3 | ||
| CMD ["/sbin/init"] | CMD ["/sbin/init"] | ||
| - | EOF | + | EOR |
| + | |||
| + | # docker | ||
| + | docker compose build | ||
| + | docker compose up -d | ||
| + | curl 127.0.0.1:8090 | ||
| + | docker compose exec nginx systemctl status nginx-log-forwarder | ||
| + | docker compose exec nginx journalctl -u nginx-log-forwarder | ||
| + | # see access logs | ||
| + | docker logs nginx_nginx_1 | ||
| + | |||
| + | # podman | ||
| + | podman compose build | ||
| + | podman compose up -d | ||
| + | curl 127.0.0.1:8090 | ||
| + | podman compose exec nginx systemctl status nginx-log-forwarder | ||
| + | podman compose exec nginx journalctl -u nginx-log-forwarder | ||
| + | # see access logs | ||
| + | podman logs nginx_nginx_1 | ||
| + | # no logging output! | ||
| </code> | </code> | ||
| ++++ | ++++ | ||
admin_grundlagen/docker/build.1780161185.txt.gz · Zuletzt geändert: 2026/05/30 17:13 von peter_rossbach2
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