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Browse files- Dockerfile +71 -17
Dockerfile
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RUN
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EXPOSE 80
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CMD ["
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# Filename: Dockerfile
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# Version: $(date +%s)
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# Utiliza Alpine como imagen base
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FROM alpine:latest
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# Instalar dependencias necesarias
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RUN apk add --no-cache \
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docker \
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docker-cli \
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shadow \
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sudo \
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curl \
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iptables \
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nginx \
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fuse-overlayfs
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# Crear un usuario no root
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RUN adduser -D dockeruser && echo "dockeruser ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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# Cambiar al usuario no root
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USER dockeruser
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# Instalar Docker rootless
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RUN curl -fsSL https://get.docker.com/rootless | sh
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# Configurar Docker rootless
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RUN echo 'export PATH=$HOME/bin:$PATH' >> /home/dockeruser/.bashrc
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RUN echo 'export DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock' >> /home/dockeruser/.bashrc
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RUN mkdir -p /home/dockeruser/.config/systemd/user/
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# Crear el archivo de servicio para Docker rootless
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RUN echo '[Unit]\n\
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Description=Docker Application Container Engine (Rootless)\n\
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Documentation=https://docs.docker.com/go/rootless/\n\
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Wants=network-online.target\n\
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After=network-online.target firewalld.service containerd.service\n\
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StartLimitIntervalSec=0\n\
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\n\
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[Service]\n\
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Environment="PATH=/usr/bin:/usr/sbin"\n\
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ExecStart=/home/dockeruser/bin/dockerd-rootless.sh --experimental --host=tcp://0.0.0.0:7680\n\
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Restart=always\n\
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User=dockeruser\n\
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LimitNOFILE=infinity\n\
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LimitNPROC=infinity\n\
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LimitCORE=infinity\n\
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Delegate=yes\n\
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KillMode=process\n\
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\n\
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[Install]\n\
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WantedBy=default.target' > /home/dockeruser/.config/systemd/user/docker.service
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# Cambiar al usuario root para configurar Nginx
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USER root
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# Configurar Nginx
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RUN echo 'server {\n\
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listen 80;\n\
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location /docker {\n\
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proxy_pass http://localhost:7680;\n\
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proxy_set_header Host $host;\n\
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proxy_set_header X-Real-IP $remote_addr;\n\
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n\
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proxy_set_header X-Forwarded-Proto $scheme;\n\
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}\n\
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location / {\n\
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return 200 "Hello World";\n\
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add_header Content-Type text/plain;\n\
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}\n\
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}' > /etc/nginx/conf.d/default.conf
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# Exponer el puerto para la API de Docker y Nginx
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EXPOSE 80
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EXPOSE 7680
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# Configurar el comando de inicio
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CMD ["sh", "-c", "dockerd-rootless.sh --experimental --host=tcp://0.0.0.0:7680 & nginx -g 'daemon off;'"]
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