diff --git a/browser-extension/api-server/db/config/config.js b/browser-extension/api-server/db/config/config.js
index 416ac0d9..3816e299 100644
--- a/browser-extension/api-server/db/config/config.js
+++ b/browser-extension/api-server/db/config/config.js
@@ -4,20 +4,20 @@ module.exports = {
     password: process.env.DB_PASSWORD,
     database: "uli_dev",
     host: process.env.DB_HOST,
-    dialect: "mysql",
+    dialect: "postgres",
   },
   test: {
     username: "root",
     password: null,
     database: "uli_test",
     host: "127.0.0.1",
-    dialect: "mysql",
+    dialect: "postgres",
   },
   production: {
     username: process.env.DB_USERNAME,
     password: process.env.DB_PASSWORD,
     database: "uli_prod_unicode",
     host: process.env.DB_HOST,
-    dialect: "mysql",
+    dialect: "postgres",
   },
 };
diff --git a/browser-extension/api-server/package-lock.json b/browser-extension/api-server/package-lock.json
index 7cc35501..dec16cfa 100644
--- a/browser-extension/api-server/package-lock.json
+++ b/browser-extension/api-server/package-lock.json
@@ -17,8 +17,9 @@
         "express": "4.18.2",
         "multer": "1.4.5-lts.1",
         "multer-s3": "3.0.1",
-        "mysql2": "3.6.3",
         "password-generator": "2.3.2",
+        "pg": "^8.12.0",
+        "pg-hstore": "^2.3.4",
         "sequelize": "6.35.1",
         "sequelize-cli": "6.6.2",
         "uuid": "9.0.1"
@@ -1984,14 +1985,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/denque": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-2.1.0.tgz",
-      "integrity": "sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==",
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -2313,14 +2306,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/generate-function": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
-      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
-      "dependencies": {
-        "is-property": "^1.0.2"
-      }
-    },
     "node_modules/get-caller-file": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -2525,11 +2510,6 @@
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.2.2.tgz",
       "integrity": "sha512-+lP4/6lKUBfQjZ2pdxThZvLUAafmZb8OAxFb8XXtiQmS35INgr85hdOGoEs124ez1FCnZJt6jau/T+alh58QFQ=="
     },
-    "node_modules/is-property": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
-      "integrity": "sha512-Ks/IoX00TtClbGQr4TWXemAnktAQvYB7HzcCxDGqEZU6oCmb2INHuOoKxbtR+HFkmYWBKv/dOZtGRiAjDhj92g=="
-    },
     "node_modules/isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
@@ -2592,19 +2572,6 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
       "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
-    "node_modules/long": {
-      "version": "5.2.3",
-      "resolved": "https://registry.npmjs.org/long/-/long-5.2.3.tgz",
-      "integrity": "sha512-lcHwpNoggQTObv5apGNCTdJrO69eHOZMi4BNC+rTLER8iHAqGrUVeLh/irVIM7zTw2bOXA8T6uNPeujwOLg/2Q=="
-    },
-    "node_modules/lru-cache": {
-      "version": "8.0.5",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-8.0.5.tgz",
-      "integrity": "sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA==",
-      "engines": {
-        "node": ">=16.14"
-      }
-    },
     "node_modules/lru-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/lru-queue/-/lru-queue-0.1.0.tgz",
@@ -2778,54 +2745,6 @@
         "@aws-sdk/client-s3": "^3.0.0"
       }
     },
-    "node_modules/mysql2": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.6.3.tgz",
-      "integrity": "sha512-qYd/1CDuW1KYZjD4tzg2O8YS3X/UWuGH8ZMHyMeggMTXL3yOdMisbwZ5SNkHzDGlZXKYLAvV8tMrEH+NUMz3fw==",
-      "dependencies": {
-        "denque": "^2.1.0",
-        "generate-function": "^2.3.1",
-        "iconv-lite": "^0.6.3",
-        "long": "^5.2.1",
-        "lru-cache": "^8.0.0",
-        "named-placeholders": "^1.1.3",
-        "seq-queue": "^0.0.5",
-        "sqlstring": "^2.3.2"
-      },
-      "engines": {
-        "node": ">= 8.0"
-      }
-    },
-    "node_modules/mysql2/node_modules/iconv-lite": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
-      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
-      "dependencies": {
-        "safer-buffer": ">= 2.1.2 < 3.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/named-placeholders": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.3.tgz",
-      "integrity": "sha512-eLoBxg6wE/rZkJPhU/xRX1WTpkFEwDJEN96oxFrTsqBdbT5ec295Q+CoHrL9IT0DipqKhmGcaZmwOt8OON5x1w==",
-      "dependencies": {
-        "lru-cache": "^7.14.1"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
-    "node_modules/named-placeholders/node_modules/lru-cache": {
-      "version": "7.18.3",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.18.3.tgz",
-      "integrity": "sha512-jumlc0BIUrS3qJGgIkWZsyfAM7NCWiBcCDhnd+3NNM5KbBmLTgHVfWBcg6W+rLUsIpzpERPsvwUP7CckAQSOoA==",
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/negotiator": {
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
@@ -2940,10 +2859,132 @@
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
     },
+    "node_modules/pg": {
+      "version": "8.12.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.12.0.tgz",
+      "integrity": "sha512-A+LHUSnwnxrnL/tZ+OLfqR1SxLN3c/pgDztZ47Rpbsd4jUytsTtwQo/TLPRzPJMp/1pbhYVhH9cuSZLAajNfjQ==",
+      "dependencies": {
+        "pg-connection-string": "^2.6.4",
+        "pg-pool": "^3.6.2",
+        "pg-protocol": "^1.6.1",
+        "pg-types": "^2.1.0",
+        "pgpass": "1.x"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      },
+      "optionalDependencies": {
+        "pg-cloudflare": "^1.1.1"
+      },
+      "peerDependencies": {
+        "pg-native": ">=3.0.1"
+      },
+      "peerDependenciesMeta": {
+        "pg-native": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/pg-cloudflare": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pg-cloudflare/-/pg-cloudflare-1.1.1.tgz",
+      "integrity": "sha512-xWPagP/4B6BgFO+EKz3JONXv3YDgvkbVrGw2mTo3D6tVDQRh1e7cqVGvyR3BE+eQgAvx1XhW/iEASj4/jCWl3Q==",
+      "optional": true
+    },
     "node_modules/pg-connection-string": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.6.2.tgz",
-      "integrity": "sha512-ch6OwaeaPYcova4kKZ15sbJ2hKb/VP48ZD2gE7i1J+L4MspCtBMAx8nMgz7bksc7IojCIIWuEhHibSMFH8m8oA=="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.6.4.tgz",
+      "integrity": "sha512-v+Z7W/0EO707aNMaAEfiGnGL9sxxumwLl2fJvCQtMn9Fxsg+lPpPkdcyBSv/KFgpGdYkMfn+EI1Or2EHjpgLCA=="
+    },
+    "node_modules/pg-hstore": {
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/pg-hstore/-/pg-hstore-2.3.4.tgz",
+      "integrity": "sha512-N3SGs/Rf+xA1M2/n0JBiXFDVMzdekwLZLAO0g7mpDY9ouX+fDI7jS6kTq3JujmYbtNSJ53TJ0q4G98KVZSM4EA==",
+      "dependencies": {
+        "underscore": "^1.13.1"
+      },
+      "engines": {
+        "node": ">= 0.8.x"
+      }
+    },
+    "node_modules/pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/pg-pool": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.6.2.tgz",
+      "integrity": "sha512-Htjbg8BlwXqSBQ9V8Vjtc+vzf/6fVUuak/3/XXKA9oxZprwW3IMDQTGHP+KDmVL7rtd+R1QjbnCFPuTHm3G4hg==",
+      "peerDependencies": {
+        "pg": ">=8.0"
+      }
+    },
+    "node_modules/pg-protocol": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.6.1.tgz",
+      "integrity": "sha512-jPIlvgoD63hrEuihvIg+tJhoGjUsLPn6poJY9N5CnlPd91c2T18T/9zBtLxZSb1EhYxBRoZJtzScCaWlYLtktg=="
+    },
+    "node_modules/pg-types": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
+      "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
+      "dependencies": {
+        "pg-int8": "1.0.1",
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/pgpass": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.5.tgz",
+      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
+      "dependencies": {
+        "split2": "^4.1.0"
+      }
+    },
+    "node_modules/postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-date": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "dependencies": {
+        "xtend": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
     },
     "node_modules/process-nextick-args": {
       "version": "2.0.1",
@@ -3174,11 +3215,6 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
-    "node_modules/seq-queue": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/seq-queue/-/seq-queue-0.0.5.tgz",
-      "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q=="
-    },
     "node_modules/sequelize": {
       "version": "6.35.1",
       "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-6.35.1.tgz",
@@ -3374,12 +3410,12 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/sqlstring": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.3.tgz",
-      "integrity": "sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==",
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
       "engines": {
-        "node": ">= 0.6"
+        "node": ">= 10.x"
       }
     },
     "node_modules/statuses": {
@@ -3597,6 +3633,11 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/underscore": {
+      "version": "1.13.7",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.7.tgz",
+      "integrity": "sha512-GMXzWtsc57XAtguZgaQViUOzs0KTkk8ojr3/xAxXLITqf/3EMwxC0inyETfDFjH/Krbhuep0HNbbjI9i/q3F3g=="
+    },
     "node_modules/undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
diff --git a/browser-extension/api-server/package.json b/browser-extension/api-server/package.json
index 4512c8b9..d632bf09 100644
--- a/browser-extension/api-server/package.json
+++ b/browser-extension/api-server/package.json
@@ -21,8 +21,9 @@
     "express": "4.18.2",
     "multer": "1.4.5-lts.1",
     "multer-s3": "3.0.1",
-    "mysql2": "3.6.3",
     "password-generator": "2.3.2",
+    "pg": "^8.12.0",
+    "pg-hstore": "^2.3.4",
     "sequelize": "6.35.1",
     "sequelize-cli": "6.6.2",
     "uuid": "9.0.1"
diff --git a/browser-extension/docker-compose.yml b/browser-extension/docker-compose.yml
index 16a919ae..86c5a864 100644
--- a/browser-extension/docker-compose.yml
+++ b/browser-extension/docker-compose.yml
@@ -2,18 +2,21 @@ version: "3"
 
 services:
   db:
-    image: "mysql"
-    command: --default-authentication-plugin=mysql_native_password
+    image: postgres:14.10
     restart: always
     environment:
-      MYSQL_ROOT_PASSWORD: root_pw
-      MYSQL_USER: tattle
-      MYSQL_PASSWORD: tattle_pw
-      MYSQL_DATABASE: uli_dev
-    ports:
-      - 3306:3306
+      - POSTGRES_USER=tattle
+      - POSTGRES_PASSWORD=tattle_pw
+      - POSTGRES_DB=uli_dev
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
+      interval: 1s
+      timeout: 5s
+      retries: 10
     volumes:
-      - "~/data/ogbv_plugin/db:/var/lib/mysql"
+      - ~/data/uli_test/postgres:/var/lib/postgresql/data
+    ports:
+      - 5432:5432
   db_gui:
     image: adminer
     restart: always
@@ -27,10 +30,11 @@ services:
       dockerfile: Dockerfile
     depends_on:
       - db
-    command: tail -f /dev/null
+    # command: tail -f /dev/null
     ports:
       - 3000:3000
     volumes:
       - "./api-server:/app"
+      - /app/node_modules
     env_file:
       - "./api-server/development.env"