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<h1 id="setup-cloud-storage">Setup cloud storage</h1>
<p>This document explains how to setup cloud storages to store the imported datasets to the cloud storage. The following cloud storages are supported in doccano:</p>
<ul>
<li><a href="#amazon-s3">Amazon S3</a></li>
<li><a href="#google-cloud-storage">Google Cloud Storage</a></li>
</ul>
<h2 id="amazon-s3">Amazon S3</h2>
<p>The steps of connecting your Amazon S3 bucket to doccano to store the imported datasets.</p>
<ul>
<li><a href="#create-credentials">Create credentials</a></li>
<li><a href="#create-a-bucket">Create a bucket</a></li>
<li><a href="#create-a-env-file">Create a .env file</a></li>
</ul>
<h3 id="create-credentials">Create credentials</h3>
<p>You must provide your AWS access keys to make programmatic calls to AWS.</p>
<p>When you create your access keys, you create the access key ID (for example, AKIAIOSFODNN7EXAMPLE) and secret access key (for example, wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY) as a set. The secret access key is available for download only when you create it. If you don't download your secret access key or if you lose it, you must create a new one.</p>
<ol>
<li>Sign in to the AWS Management Console as an IAM user.</li>
<li>In the navigation bar on the upper right, choose your user name and then choose <strong>My Security Credentials</strong>.</li>
<li>To create an access key, choose <strong>Create access key</strong>. If you already have two access keys, this button is disabled and you must delete an access key before you can create a new one. When prompted, choose either <strong>Show secret access key</strong> or <strong>Download .csv file</strong>. This is your only opportunity to save your secret access key. After you've saved your secret access key in a secure location, chose <strong>Close</strong>.</li>
</ol>
<h3 id="create-a-bucket">Create a bucket</h3>
<p>To store your dataset to Amazon S3, you must first create an Amazon S3 bucket in one of the AWS Regions. When you create a bucket, you must choose a bucket name and Region. You can optionally choose other storage management options for the bucket. After you create a bucket, you cannot change the bucket name or Region.</p>
<ol>
<li>Sign in to the AWS Management Console and open the Amazon S3 console.</li>
<li>Choose <strong>Create bucket</strong>.</li>
<li>In Bucket name, enter a name for your bucket(e.g. doccano).</li>
<li>In Region, choose the AWS Region where you want the bucket to reside. Choose a Region close to you to minimize latency and costs and address regulatory requirements.</li>
<li>Under Object Ownership, to disable or enable ACLs and control ownership of objects uploaded in your bucket, choose <strong>ACLs disabled</strong>.</li>
<li>In Bucket settings for Block Public Access, choose the <strong>Block Public Access</strong> settings that you want to apply to the bucket.</li>
<li>Choose <strong>Create bucket</strong>.</li>
</ol>
<h3 id="create-a-env-file">Create a .env file</h3>
<p>Once you create a credential and a bucket, you must create a <code>.env</code> file:</p>
<pre><code class="language-bash">DJANGO_SETTINGS_MODULE=config.settings.aws
AWS_ACCESS_KEY_ID={SET_YOUR_KEY}
AWS_SECRET_ACCESS_KEY={SET_YOUR_SECRET_KEY}
REGION_NAME=us-west-1
BUCKET_NAME=doccano
</code></pre>
<h2 id="google-cloud-storage">Google Cloud Storage</h2>
<p>The steps of connecting your Google Cloud Storage bucket to doccano to store the imported datasets.</p>
<ul>
<li><a href="#create-credentials-1">Create credentials</a></li>
<li><a href="#create-a-env-file-1">Create a .env file</a></li>
</ul>
<h3 id="create-credentials_1">Create credentials</h3>
<p>Create a service account:</p>
<ol>
<li>In the Cloud Console, go to the <a href="https://console.cloud.google.com/projectselector2/iam-admin/serviceaccounts/create">Create service account</a> page.</li>
<li>Select your project.</li>
<li>In the <strong>Service account name</strong> field, enter a name. The Cloud Console fills in the <strong>Service account ID</strong> field based on this name. In the <strong>Service account description</strong> field, enter a description. For example, Service account for quickstart.</li>
<li>Click <strong>Create and continue</strong>.</li>
<li>To provide access to your project, grant the following role(s) to your service account: <strong>Cloud Storage &gt; Storage Admin</strong>.</li>
<li>Click <strong>Continue</strong>.</li>
<li>Click <strong>Done</strong> to finish creating the service account. Do not close your browser window. You will use it in the next step.</li>
</ol>
<p>Create a service account key:</p>
<ol>
<li>In the Cloud Console, click the email address for the service account that you created.</li>
<li>Click <strong>Keys</strong>.</li>
<li>Click <strong>Add key</strong>, then click <strong>Create new key</strong>.</li>
<li>Click <strong>Create</strong>. A JSON key file is downloaded to your computer.</li>
<li>Click <strong>Close</strong>.</li>
</ol>
<h3 id="create-a-env-file_1">Create a .env file</h3>
<p>Once you create a credential and a bucket, you must create a <code>.env</code> file. Notice that the file contents differ slightly between the Pip and Docker versions:</p>
<pre><code class="language-bash">DJANGO_SETTINGS_MODULE=config.settings.gcp
GS_PROJECT_ID={SET_YOUR_PROJECT_ID}
BUCKET_NAME=doccano
# In the case of Pip
GOOGLE_APPLICATION_CREDENTIALS={SET_CREDENTIAL_PATH}
# In the case of Docker
GOOGLE_APPLICATION_CREDENTIALS=/doccano/{SET_CREDENTIAL_PATH}
</code></pre>
<h2 id="run-doccano-with-the-env-file">Run doccano with the .env file</h2>
<h3 id="pip">Pip</h3>
<p>When you execute the <code>webserver</code> and <code>task</code> command, specify <code>--env_file</code> option:</p>
<pre><code class="language-bash">doccano webserver --env_file=.env
doccano task --env_file=.env
</code></pre>
<h3 id="docker">Docker</h3>
<p>When you execute the <code>docker container create</code> command, specify <code>--eng-file</code> option:</p>
<pre><code class="language-bash"># Create a container
docker container create --name doccano \
-e &quot;ADMIN_USERNAME=admin&quot; \
-e &quot;ADMIN_EMAIL=admin@example.com&quot; \
-e &quot;ADMIN_PASSWORD=password&quot; \
-v doccano-db:/data \
--env-file .env \
-p 8000:8000 doccano/doccano
# Notice that you must copy the credential in the case of Google Cloud Storage
docker cp {CREDENTIAL_PATH} doccano:/doccano/
# Start the container
docker container start doccano
</code></pre>
<h2 id="references">References</h2>
<ul>
<li><a href="https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html">Understanding and getting your AWS credentials</a></li>
<li><a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/create-bucket-overview.html">Amazon S3/Creating a bucket</a></li>
<li><a href="https://cloud.google.com/docs/authentication/getting-started">Google Cloud/Getting started with authentication</a></li>
</ul>
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