diff --git a/.env.example b/.env.example
new file mode 100644
index 00000000..8f1d818d
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,9 @@
+DATAGOUV_MERSEA_HOST=
+DATAGOUV_HOST=""
+DATAGOUV_API_KEY=""
+DATAGOUV_DATASET_ID=""
+DATAGOUV_REPORTS_JSON_ID=""
+DATAGOUV_REPORTS_GEOJSON_ID=""
+DATAGOUV_REPORTS_CSV_ID=""
+DATAGOUV_TRACERS_JSON_ID=""
+DATAGOUV_TRACERS_CSV_ID=""
diff --git a/.gitignore b/.gitignore
index 99f26ad3..43cf70e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,8 @@ rerun.txt
 pickle-email-*.html
 my.txt
 .envrc
-
+datagouv/*
+!datagouv/.gitkeep
 # TODO Comment out these rules if you are OK with secrets being uploaded to the repo
 # config/initializers/secret_token.rb
 # config/secrets.yml
diff --git a/Gemfile b/Gemfile
index 5138c89c..b8c30a9f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,6 +40,8 @@ group :development do
   gem 'spring'
   gem 'spring-watcher-listen'
   gem 'seed_dump'
+  gem 'dotenv-rails'
+  gem 'http', '~> 5.0.0.pre2'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/Gemfile.lock b/Gemfile.lock
index 2fd35f4d..d82c5ab1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,6 +108,12 @@ GEM
       devise (~> 4.0)
       warden-jwt_auth (~> 0.6)
     diff-lcs (1.5.0)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
+    dotenv (2.8.1)
+    dotenv-rails (2.8.1)
+      dotenv (= 2.8.1)
+      railties (>= 3.2)
     dry-auto_inject (0.9.0)
       dry-container (>= 0.3.4)
     dry-configurable (0.16.1)
@@ -115,7 +121,7 @@ GEM
       zeitwerk (~> 2.6)
     dry-container (0.11.0)
       concurrent-ruby (~> 1.0)
-    dry-core (0.9.0)
+    dry-core (0.9.1)
       concurrent-ruby (~> 1.0)
       zeitwerk (~> 2.6)
     erubi (1.11.0)
@@ -128,11 +134,22 @@ GEM
     faker (1.9.6)
       i18n (>= 0.7)
     ffi (1.15.5)
+    ffi-compiler (1.0.1)
+      ffi (>= 1.0.0)
+      rake
     globalid (1.0.0)
       activesupport (>= 5.0)
     haml (5.2.2)
       temple (>= 0.8.0)
       tilt
+    http (5.0.4)
+      addressable (~> 2.8)
+      http-cookie (~> 1.0)
+      http-form_data (~> 2.2)
+      llhttp-ffi (~> 0.4.0)
+    http-cookie (1.0.5)
+      domain_name (~> 0.5)
+    http-form_data (2.3.0)
     http_accept_language (2.1.1)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
@@ -141,7 +158,7 @@ GEM
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    jquery-rails (4.5.0)
+    jquery-rails (4.5.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
@@ -163,11 +180,14 @@ GEM
       activerecord
       kaminari-core (= 1.2.2)
     kaminari-core (1.2.2)
-    leaflet-rails (1.8.0)
+    leaflet-rails (1.9.2)
       rails (>= 4.2.0)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    llhttp-ffi (0.4.0)
+      ffi-compiler (~> 1.0)
+      rake (~> 13.0)
     loofah (2.19.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -177,26 +197,26 @@ GEM
     method_source (1.0.0)
     mini_magick (4.11.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.0)
     minitest (5.16.3)
     nested_form (0.3.2)
     nio4r (2.5.8)
-    nokogiri (1.13.9)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.13.9-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.13.9-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.22.1)
     parser (3.1.2.1)
       ast (~> 2.4.1)
-    pg (1.4.4)
-    postmark (1.22.1)
+    pg (1.4.5)
+    postmark (1.22.2)
       json
     public_suffix (5.0.0)
     puma (5.6.5)
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    pundit-matchers (1.7.0)
+    pundit-matchers (1.8.4)
       rspec-rails (>= 3.0.0)
     racc (1.6.0)
     rack (2.2.4)
@@ -265,7 +285,7 @@ GEM
     rb-readline (0.5.5)
     recaptcha (5.12.3)
       json
-    regexp_parser (2.6.0)
+    regexp_parser (2.6.1)
     remotipart (1.4.4)
     responders (3.0.1)
       actionpack (>= 5.0)
@@ -288,17 +308,17 @@ GEM
       rspec-mocks (~> 3.9.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.4)
-    rubocop (1.36.0)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.20.1, < 2.0)
+      rubocop-ast (>= 1.23.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.21.0)
+    rubocop-ast (1.23.0)
       parser (>= 3.1.1.0)
     ruby-progressbar (1.11.0)
     ruby-vips (2.1.4)
@@ -349,7 +369,7 @@ GEM
     state_machines-activerecord (0.8.0)
       activerecord (>= 5.1)
       state_machines-activemodel (>= 0.8.0)
-    temple (0.8.2)
+    temple (0.9.1)
     thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.11)
@@ -357,6 +377,9 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.8.2)
     unicode-display_width (2.3.0)
     warden (1.2.9)
       rack (>= 2.0.9)
@@ -370,10 +393,11 @@ GEM
     websocket-extensions (0.1.5)
     wysiwyg-rails (2.9.8)
       railties (>= 3.2, < 7.0)
-    zeitwerk (2.6.1)
+    zeitwerk (2.6.6)
 
 PLATFORMS
-  ruby
+  x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   active_model_serializers (= 0.10)
@@ -386,8 +410,10 @@ DEPENDENCIES
   devise (>= 4.6.0)
   devise-i18n (~> 1)
   devise-jwt (~> 0.8)
+  dotenv-rails
   factory_bot_rails (~> 4.8)
   faker (~> 1.8)
+  http (~> 5.0.0.pre2)
   http_accept_language (~> 2)
   i18n-js (~> 3)
   image_processing (~> 1.12)
diff --git a/README.md b/README.md
index ec30589f..acf43fbe 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,13 @@ To set any environment variable in the container, use one or more `-e` flags:
 - `RECAPTCHA_SECRET_KEY` → Google reCaptcha secret
 - `BUGSNAG_API_KEY` → Bugsnag key (leave empty to disable error reporting)
 
+## Datagouv export
+
+```sh
+# Configure .env file with datagouv credentials
+bundle exec rake datagouv
+```
+
 ## License
 
 MIT. See the [LICENSE](https://github.com/FranckKe/mersea/blob/master/LICENSE) for more details.
diff --git a/datagouv/.gitkeep b/datagouv/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/lib/tasks/datagouv.rake b/lib/tasks/datagouv.rake
new file mode 100644
index 00000000..4e7b4759
--- /dev/null
+++ b/lib/tasks/datagouv.rake
@@ -0,0 +1,143 @@
+# frozen_string_literal: true
+
+require 'http'
+
+# See .env.example for env configuration
+
+desc 'Upload tracers and reports to datagouv'
+task datagouv: :environment do
+  tracer_attr = %i[
+    id
+    name
+    description
+    origin
+    kind
+    longitude
+    latitude
+    created_at
+    color
+    category
+  ]
+
+  @tracers = Tracer.select(tracer_attr)
+  Rails.application.routes.default_url_options[:host] = ENV['DATAGOUV_MERSEA_HOST']
+
+  puts "#{@tracers.size} tracers found."
+
+  tracers_csv = CSV.generate do |csv|
+    # Header
+    csv << tracer_attr + ['photo_url']
+    # Values
+    @tracers.each do |tracer|
+      puts [Rails.application.routes.url_helpers.url_for(tracer.photo)]
+      csv << tracer.slice(*tracer_attr).values + [Rails.application.routes.url_helpers.url_for(tracer.photo)]
+    end
+  end
+
+  File.open('./datagouv/tracers.csv', 'w+') do |f|
+    f.write(tracers_csv)
+  end
+
+  puts 'tracers.csv created.'
+
+  File.open('./datagouv/tracers.json', 'w+') do |f|
+    @tracers_with_photo_url = @tracers.map do |tracer|
+      tracer.as_json(only: tracer_attr).merge(photo: Rails.application.routes.url_helpers.url_for(tracer.photo))
+    end
+    f.write(@tracers_with_photo_url.to_json)
+  end
+
+  puts 'tracers.json created.'
+
+  report_attr = %i[
+    id
+    tracer_id
+    name
+    quantity
+    address
+    longitude
+    latitude
+    description
+    reported_at
+    created_at
+    shore_length
+  ]
+
+  @reports = Report.where(status: 'accepted').select(report_attr)
+
+  puts "#{@reports.size} accepted reports found."
+
+  reports_csv = CSV.generate do |csv|
+    csv << report_attr
+    @reports.each do |report|
+      csv << report.slice(*report_attr).values
+    end
+  end
+
+  File.open('./datagouv/reports.csv', 'w+') do |f|
+    f.write(reports_csv)
+  end
+
+  puts 'reports.csv created.'
+
+  File.open('./datagouv/reports.json', 'w+') do |f|
+    f.write(@reports.as_json(only: report_attr).to_json)
+  end
+
+  puts 'reports.json created.'
+
+  File.open('./datagouv/reports.geojson', 'w+') do |f|
+    f.write(GeojsonReportsSerializer.new(@reports).to_json)
+  end
+
+  puts 'reports.geojson created.'
+
+  datagouv_dataset_url = "#{ENV['DATAGOUV_HOST']}/datasets/#{ENV['DATAGOUV_DATASET_ID']}/resources"
+
+  puts "datagouv_dataset_url #{datagouv_dataset_url}"
+
+  tracers_csv_res = HTTP
+                    .headers(accept: 'application/json')
+                    .headers('x-api-key': ENV['DATAGOUV_API_KEY'])
+                    .post("#{datagouv_dataset_url}/#{ENV['DATAGOUV_TRACERS_CSV_ID']}/upload/",
+                          form: {
+                            file: HTTP::FormData::File.new('./datagouv/tracers.csv')
+                          })
+  puts tracers_csv_res
+
+  tracers_json_res = HTTP
+                     .headers(accept: 'application/json')
+                     .headers('x-api-key': ENV['DATAGOUV_API_KEY'])
+                     .post("#{datagouv_dataset_url}/#{ENV['DATAGOUV_TRACERS_JSON_ID']}/upload/",
+                           form: {
+                             file: HTTP::FormData::File.new('./tracers.json')
+                           })
+  puts tracers_json_res
+
+  reports_json_res = HTTP
+                     .headers(accept: 'application/json')
+                     .headers('x-api-key': ENV['DATAGOUV_API_KEY'])
+                     .post("#{datagouv_dataset_url}/#{ENV['DATAGOUV_REPORTS_JSON_ID']}/upload/",
+                           form: {
+                             file: HTTP::FormData::File.new('./reports.json')
+                           })
+  puts reports_json_res
+
+  reports_geojson_res = HTTP
+                        .headers(accept: 'application/json')
+                        .headers('x-api-key': ENV['DATAGOUV_API_KEY'])
+                        .post("#{datagouv_dataset_url}/#{ENV['DATAGOUV_REPORTS_GEOJSON_ID']}/upload/",
+                              form: {
+                                file: HTTP::FormData::File.new('./reports.geojson')
+                              })
+  puts reports_geojson_res
+
+  reports_csv_res = HTTP
+                    .headers(accept: 'application/json')
+                    .headers('x-api-key': ENV['DATAGOUV_API_KEY'])
+                    .post("#{datagouv_dataset_url}/#{ENV['DATAGOUV_REPORTS_CSV_ID']}/upload/",
+                          form: {
+                            file: HTTP::FormData::File.new('./reports.csv')
+                          })
+  puts reports_csv_res
+end