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docs: [#183] containerization documentaion
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‎Containerfile‎

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ARG USER_ID=1000
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ARG INDEX_GUI_PORT=3000
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ARG NUXT_PUBLIC_API_BASE0=http://localhost:3001/v1
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ENV TZ=Etc/UTC
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ENV USER_ID=${USER_ID}
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ENV INDEX_GUI_PORT=${INDEX_GUI_PORT}
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ENV NUXT_PUBLIC_API_BASE=${NUXT_PUBLIC_API_BASE}
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EXPOSE $INDEX_GUI_PORT/tcp
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‎contrib/dev-tools/container/e2e/sqlite/e2e-env-up.sh‎

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#!/bin/bash
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TORRUST_INDEX_CONFIG=$(cat ./share/default/config/index.e2e.container.sqlite3.toml) \
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USER_ID=${USER_ID:-1000} \
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TORRUST_INDEX_CONFIG=$(cat ./share/default/config/index.e2e.container.sqlite3.toml) \
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TORRUST_TRACKER_CONFIG=$(cat ./share/default/config/tracker.e2e.container.sqlite3.toml) \
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docker compose build
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USER_ID=${USER_ID:-1000} \

‎docs/containers.md‎

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# Containers (Docker or Podman)
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- [Demo environment](#demo-environment)
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- [Requirements](#requirements)
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- [Container Volumes](#container-volumes)
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- [Pre-Create Host-Mapped Folders](#pre-create-host-mapped-folders)
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- [Matching Ownership ID's of Host Storage and Container Volumes](#matching-ownership-ids-of-host-storage-and-container-volumes)
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- [Mapped Tree Structure](#mapped-tree-structure)
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- [Building the Container](#building-the-container)
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- [Clone and Change into Repository](#clone-and-change-into-repository)
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- [(Docker) Setup Context](#docker-setup-context)
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- [(Docker) Build](#docker-build)
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- [(Podman) Build](#podman-build)
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- [Running the Container](#running-the-container)
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- [Basic Run](#basic-run)
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- [(Docker) Run Basic](#docker-run-basic)
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- [(Podman) Run Basic](#podman-run-basic)
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- [Arguments](#arguments)
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- [Environmental Variables](#environmental-variables)
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- [Sockets](#sockets)
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- [Volumes](#volumes)
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- [Complete Example](#complete-example)
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- [With Docker](#with-docker)
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- [With Podman](#with-podman)
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- [Docker Compose](#docker-compose)
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- [Build and Run](#build-and-run)
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- [Access Mysql with docker](#access-mysql-with-docker)
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- [Links](#links)
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## Demo environment
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It is simple to setup the Index GUI with the default
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configuration and run it using the pre-built public docker image:
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With Docker:
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```sh
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docker run -it torrust/index-gui:latest
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```
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or with Podman:
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```sh
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podman run -it torrust/index-gui:latest
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```
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## Requirements
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- Tested with recent versions of Docker or Podman.
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## Container Volumes
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The [Containerfile](../Containerfile) (i.e. the Dockerfile) Defines one volume:
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```Dockerfile
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VOLUME ["/var/log/torrust/tracker"]
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```
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When instancing the container image with the `docker run` or `podman run` command, we map the volumes to the local storage:
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```s
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./storage/index-gui/log -> /var/log/torrust/index-gui
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```
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> NOTE: You can adjust this mapping for your preference, however this mapping is the default in our guides and scripts.
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### Pre-Create Host-Mapped Folders
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Please run this command where you wish to run the container:
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```sh
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mkdir -p ./storage/index-gui/log/
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```
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### Matching Ownership ID's of Host Storage and Container Volumes
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It is important that the `torrust` user has the same uid `$(id -u)` as the host mapped folders. In our [entry script](../share/container/entry_script_sh), installed to `/usr/local/bin/entry.sh` inside the container, switches to the `torrust` user created based upon the `USER_ID` environmental variable.
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When running the container, you may use the `--env USER_ID="$(id -u)"` argument that gets the current user-id and passes to the container.
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### Mapped Tree Structure
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Using the standard mapping defined above produces this following mapped tree:
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```s
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storage/index-gui/
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└── log => /var/log/torrust/index-gui (future use)
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```
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> NOTE: we don't support `tls` directly. You have to use a reverse proxy to access the
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application using HTTPs. See <https://github.com/torrust/torrust-index/issues/131>.
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## Building the Container
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### Clone and Change into Repository
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```sh
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# Inside your dev folder
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git clone https://github.com/torrust/torrust-index-gui.git; cd torrust-index-gui
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```
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### (Docker) Setup Context
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Before starting, if you are using docker, it is helpful to reset the context to the default:
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```sh
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docker context use default
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```
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### (Docker) Build
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```sh
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# Release Mode
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docker build --target release --tag torrust-index-gui:release --file Containerfile .
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# Debug Mode
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docker build --target debug --tag torrust-index-gui:debug --file Containerfile .
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```
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### (Podman) Build
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```sh
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# Release Mode
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podman build --target release --tag torrust-index-gui:release --format docker --file Containerfile .
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# Debug Mode
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podman build --target debug --tag torrust-index-gui:debug --format docker --file Containerfile .
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```
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> NOTE: we use `--format docker` because `HEALTHCHECK` is not supported for OCI image format and it is ignored otherwise.
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## Running the Container
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### Basic Run
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No arguments are needed for simply checking the container image works:
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#### (Docker) Run Basic
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```sh
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# Release Mode
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docker run -it torrust-index-gui:release
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# Debug Mode
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docker run -it torrust-index-gui:debug
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```
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#### (Podman) Run Basic
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```sh
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# Release Mode
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podman run -it torrust-index-gui:release
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# Debug Mode
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podman run -it torrust-index-gui:debug
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```
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### Arguments
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The arguments need to be placed before the image tag. i.e.
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`run [arguments] torrust-index-gui:release`
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#### Environmental Variables
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Environmental variables are loaded through the `--env`, in the format `--env VAR="value"`.
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The following environmental variables can be set:
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- `USER_ID` - The user id for the runtime crated `torrust` user. Please Note: This user id should match the ownership of the host-mapped volumes, (default `1000`).
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- `INDEX_GUI_PORT` - The port on which the web application is served (default `3000`).
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- `NUXT_PUBLIC_API_BASE` - The base [Index API](https://github.com/torrust/torrust-index) URL the frontend connects to (default `http://localhost:3001/v1`).
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### Sockets
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Socket ports used internally within the container can be mapped to with the `--publish` argument.
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The format is: `--publish [optional_host_ip]:[host_port]:[container_port]/[optional_protocol]`, for example: `--publish 127.0.0.1:3000:80/tcp`.
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The default ports can be mapped with the following (IPv4 and IPv6):
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```s
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--publish 0.0.0.0:3000:3000/tcp \
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--publish [::]:3000:3000/tcp
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```
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> NOTE: Inside the container it is necessary to expose a socket with the wildcard address `0.0.0.0` so that it may be accessible from the host. Verify that the configuration that the sockets are wildcard.
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### Volumes
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By default the container will install a volume for `/var/log/torrust/tracker`, however for better administration it's good to make this volume host-mapped.
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The argument to host-map volumes is `--volume`, with the format: `--volume=[host-src:]container-dest[:<options>]`.
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The default mapping can be supplied with the following arguments:
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```s
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--volume ./storage/index-gui/log:/var/log/torrust/index-gui:Z
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```
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Please not the `:Z` at the end of the podman `--volume` mapping arguments, this is to give read-write permission on SELinux enabled systemd, if this doesn't work on your system, you can use `:rw` instead.
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## Complete Example
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### With Docker
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```sh
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## Setup Docker Default Context
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docker context use default
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## Build Container Image
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docker build --target release --tag torrust-index-gui:release --file Containerfile .
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## Setup Mapped Volumes
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mkdir -p ./storage/index-gui/log/
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## Run Torrust Index GUI Container Image (IPv6)
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docker run -it \
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--env USER_ID="$(id -u)" \
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--env INDEX_GUI_PORT="3000" \
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--env NUXT_PUBLIC_API_BASE="http://localhost:3001/v1" \
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--env NITRO_HOST="::" \
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--env NITRO_PORT="3000" \
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--publish [::]:3000:3000/tcp \
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--volume ./storage/index-gui/log:/var/log/torrust/index-gui:Z \
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torrust-index-gui:release
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## Run Torrust Index GUI Container Image (IPv4)
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docker run -it \
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--env USER_ID="$(id -u)" \
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--env INDEX_GUI_PORT="3000" \
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--env NUXT_PUBLIC_API_BASE="http://localhost:3001/v1" \
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--env NITRO_HOST="0.0.0.0" \
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--env NITRO_PORT="3000" \
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--publish 0.0.0.0:3000:3000/tcp \
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--volume ./storage/index-gui/log:/var/log/torrust/index-gui:Z \
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torrust-index-gui:release
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```
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### With Podman
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```sh
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## Build Container Image
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podman build --target release --tag torrust-index-gui:release --file Containerfile .
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## Setup Mapped Volumes
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mkdir -p ./storage/index-gui/log/
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## Run Torrust Index GUI Container Image (IPv6)
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podman run -it \
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--env USER_ID="$(id -u)" \
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--env INDEX_GUI_PORT="3000" \
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--env NUXT_PUBLIC_API_BASE="http://localhost:3001/v1" \
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--env NITRO_HOST="::" \
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--env NITRO_PORT="3000" \
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--publish [::]:3000:3000/tcp \
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--volume ./storage/index-gui/log:/var/log/torrust/index-gui:Z \
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torrust-index-gui:release
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## Run Torrust Index GUI Container Image (IPv4)
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podman run -it \
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--env USER_ID="$(id -u)" \
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--env INDEX_GUI_PORT="3000" \
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--env NUXT_PUBLIC_API_BASE="http://localhost:3001/v1" \
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--env NITRO_HOST="0.0.0.0" \
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--env NITRO_PORT="3000" \
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--publish 0.0.0.0:3000:3000/tcp \
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--volume ./storage/index-gui/log:/var/log/torrust/index-gui:Z \
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torrust-index-gui:release
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```
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## Docker Compose
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The docker-compose configuration includes the MySQL service configuration. It's only used for the Tracker and Index.
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Please refer to their documentation for more information.
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### Build and Run
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```sh
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mkdir -p ./storage/tracker/log/
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USER_ID=${USER_ID:-1000} \
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TORRUST_INDEX_CONFIG=$(cat ./share/default/config/index.e2e.container.sqlite3.toml) \
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TORRUST_TRACKER_CONFIG=$(cat ./share/default/config/tracker.e2e.container.sqlite3.toml) \
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docker compose build
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USER_ID=${USER_ID:-1000} \
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TORRUST_INDEX_CONFIG=$(cat ./share/default/config/index.e2e.container.sqlite3.toml) \
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TORRUST_INDEX_DATABASE="e2e_testing_sqlite3" \
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TORRUST_INDEX_DATABASE_DRIVER="sqlite3" \
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TORRUST_INDEX_TRACKER_API_TOKEN="MyAccessToken" \
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TORRUST_TRACKER_CONFIG=$(cat ./share/default/config/tracker.e2e.container.sqlite3.toml) \
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TORRUST_TRACKER_DATABASE="e2e_testing_sqlite3" \
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TORRUST_TRACKER_DATABASE_DRIVER="sqlite3" \
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TORRUST_TRACKER_API_ADMIN_TOKEN="MyAccessToken" \
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docker compose up --detach --pull always --remove-orphans
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```
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After running the `compose up` command you will have these running containers:
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```s
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$ docker ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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87a79326ec4e torrust-index-gui "/usr/local/bin/entr…" 12 seconds ago Up 10 seconds (healthy) 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp, 0.0.0.0:24678->24678/tcp, :::24678->24678/tcp torrust-index-gui-1
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1e81272eea9c torrust/index:develop "/usr/local/bin/entr…" 12 seconds ago Up 11 seconds (healthy) 0.0.0.0:3001->3001/tcp, :::3001->3001/tcp torrust-index-1
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79812c5b9c5f torrust/tracker:develop "/usr/local/bin/entr…" 12 seconds ago Up 11 seconds (healthy) 0.0.0.0:1212->1212/tcp, :::1212->1212/tcp, 0.0.0.0:7070->7070/tcp, :::7070->7070/tcp, 1313/tcp, 0.0.0.0:6969->6969/udp, :::6969->6969/udp torrust-tracker-1
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36bf4c48df1d dockage/mailcatcher:0.8.2 "entrypoint mailcatc…" 12 seconds ago Up 11 seconds 0.0.0.0:1025->1025/tcp, :::1025->1025/tcp, 0.0.0.0:1080->1080/tcp, :::1080->1080/tcp torrust-mailcatcher-1
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fc5830c1b105 mysql:8.0 "docker-entrypoint.s…" 12 seconds ago Up 11 seconds (healthy) 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp torrust-mysql-1 torrust-mysql-1
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```
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And you should be able to use the application, for example making a request to:
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<http://127.0.0.1:3000>
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You can stop the containers with:
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```s
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docker compose down
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```
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Additionally, you can delete all resources (containers, volumes, networks) with:
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```s
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docker compose down -v
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```
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### Access Mysql with docker
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These are some useful commands for MySQL.
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Open a shell in the MySQL container using docker or docker-compose.
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```s
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docker exec -it torrust-mysql-1 /bin/bash
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docker compose exec mysql /bin/bash
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```
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Connect to MySQL from inside the MySQL container or from the host:
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```s
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mysql -h127.0.0.1 -uroot -proot_secret_password
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```
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The when MySQL container is started the first time, it creates the database, user, and permissions needed.
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If you see the error "Host is not allowed to connect to this MySQL server" you can check that users have the right permissions in the database. Make sure the user `root` and `db_user` can connect from any host (`%`).
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```s
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mysql> SELECT host, user FROM mysql.user;
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+-----------+------------------+
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| host | user |
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+-----------+------------------+
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| % | db_user |
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| % | root |
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| localhost | mysql.infoschema |
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| localhost | mysql.session |
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| localhost | mysql.sys |
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| localhost | root |
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+-----------+------------------+
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6 rows in set (0.00 sec)
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```
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If the database, user or permissions are not created the reason could be the MySQL container volume can be corrupted. Delete it and start again the containers.
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## Links
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- [Deploying Docker containers on Azure](https://docs.docker.com/cloud/aci-integration/).
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- [Docker run options for ACI containers](https://docs.docker.com/cloud/aci-container-features/).
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- [Quickstart: Deploy a container instance in Azure using the Docker CLI](https://learn.microsoft.com/en-us/azure/container-instances/quickstart-docker-cli).

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