diff --git a/Cargo.lock b/Cargo.lock
index 479d707..ebdaf60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,6 +169,7 @@ dependencies = [
  "axum",
  "chrono",
  "chrono-humanize",
+ "dotenvy",
  "maud",
  "nanoid",
  "serde",
@@ -922,7 +923,6 @@ version = "0.30.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e99fb7a497b1e3339bc746195567ed8d3e24945ecd636e3619d20b9de9e9149"
 dependencies = [
- "cc",
  "pkg-config",
  "vcpkg",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 6a72965..d5cc2d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,7 @@ anyhow = "1.0.95"
 axum = { version = "0.8.1", features = ["macros"] }
 chrono = "0.4.39"
 chrono-humanize = "0.2.3"
+dotenvy = "0.15.7"
 maud = { version = "0.27.0", features = ["axum"] }
 nanoid = "0.4.0"
 serde = { version = "1.0.217", features = ["derive"] }
@@ -16,7 +17,7 @@ serde_path_to_error = "0.1.16"
 sqlx = { version = "0.8", features = [
     "runtime-tokio",
     "tls-rustls-ring-webpki",
-    "sqlite",
+    "postgres",
     "migrate",
 ] }
 tokio = { version = "1.43.0", features = ["full"] }
diff --git a/migrations/20250206105906_initial.sql b/migrations/20250206105906_initial.sql
index 005b476..15640af 100644
--- a/migrations/20250206105906_initial.sql
+++ b/migrations/20250206105906_initial.sql
@@ -1,10 +1,12 @@
 -- Add migration script here
-CREATE TABLE accounts (account_id VARCHAR(10) PRIMARY KEY);
+CREATE TABLE accounts (
+    account_id VARCHAR(10) PRIMARY KEY NOT NULL UNIQUE
+);
 
 CREATE TABLE caught_fish (
-    id INTEGER PRIMARY KEY,
-    account_id VARCHAR(10),
-    fish_id INTEGER,
+    id SERIAL PRIMARY KEY,
+    account_id VARCHAR(10) NOT NULL,
+    fish_id INTEGER NOT NULL,
     FOREIGN KEY (account_id) REFERENCES accounts (account_id) ON DELETE CASCADE ON UPDATE NO ACTION
 );
 
diff --git a/src/db.rs b/src/db.rs
index 9d5d606..af6a605 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -1,26 +1,26 @@
-use sqlx::{Pool, Sqlite};
+use sqlx::{Pool, Postgres};
 
 use crate::AppError;
 
 pub struct Account {
-    account_id: Option<String>,
+    pub account_id: String,
 }
 
-pub async fn insert_account(id: &str, pool: &Pool<Sqlite>) -> Result<(), AppError> {
-    sqlx::query!(
-        "
-        INSERT INTO accounts (account_id)
-        VALUES (?)
-    ",
-        id
-    )
-    .execute(pool)
-    .await?;
+pub struct CaughtFish {
+    pub id: Option<i32>,
+    pub account_id: String,
+    pub fish_id: i32,
+}
+
+pub async fn insert_account(id: &str, pool: &Pool<Postgres>) -> Result<(), AppError> {
+    sqlx::query!("INSERT INTO accounts (account_id) VALUES ($1)", id)
+        .execute(pool)
+        .await?;
     Ok(())
 }
 
-pub async fn get_account(id: &str, pool: &Pool<Sqlite>) -> Result<bool, AppError> {
-    let results = sqlx::query_as!(Account, "SELECT * FROM accounts WHERE account_id = ?", id)
+pub async fn get_account(id: &str, pool: &Pool<Postgres>) -> Result<bool, AppError> {
+    let results = sqlx::query_as!(Account, "SELECT * FROM accounts WHERE account_id = $1", id)
         .fetch_all(pool)
         .await?;
 
@@ -30,3 +30,33 @@ pub async fn get_account(id: &str, pool: &Pool<Sqlite>) -> Result<bool, AppError
         Ok(false)
     }
 }
+
+pub async fn insert_caught_fish(
+    acc_id: &str,
+    fish_id: &i32,
+    pool: &Pool<Postgres>,
+) -> Result<(), AppError> {
+    sqlx::query!(
+        "
+        INSERT INTO caught_fish (account_id, fish_id) VALUES ($1, $2)
+        ",
+        acc_id,
+        fish_id
+    )
+    .execute(pool)
+    .await?;
+
+    Ok(())
+}
+
+pub async fn get_caught_fish(acc_id: &str, pool: &Pool<Postgres>) -> Result<Vec<i32>, AppError> {
+    let results = sqlx::query_as!(
+        CaughtFish,
+        "SELECT * FROM caught_fish WHERE account_id = $1",
+        acc_id
+    )
+    .fetch_all(pool)
+    .await?;
+
+    Ok(results.iter().map(|cf| cf.fish_id).collect())
+}
diff --git a/src/main.rs b/src/main.rs
index 6ee73ab..d63c780 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,16 +1,16 @@
 use std::{collections::HashMap, sync::Arc};
 
 use axum::{
-    extract::{Query, State},
+    extract::{Path, Query, State},
     http::StatusCode,
     response::{IntoResponse, Redirect, Response},
-    routing::get,
+    routing::{get, post},
     Router,
 };
 use data::Data;
 use maud::{html, Markup};
 use nanoid::nanoid;
-use sqlx::{sqlite::SqlitePoolOptions, Pool, Sqlite};
+use sqlx::{postgres::PgPoolOptions, Pool, Postgres};
 use tower_http::{services::ServeDir, trace::TraceLayer};
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
@@ -22,7 +22,7 @@ pub mod templates;
 
 pub struct AppState {
     pub data: Data,
-    pub pool: Pool<Sqlite>,
+    pub pool: Pool<Postgres>,
 }
 
 pub struct AppError(anyhow::Error);
@@ -56,8 +56,30 @@ async fn new_account_handler(state: State<Arc<AppState>>) -> Result<Markup, AppE
     Ok(templates::new_account(id))
 }
 
-async fn main_handler(state: State<Arc<AppState>>) -> Result<Markup, AppError> {
-    Ok(templates::main_page(state))
+async fn main_handler(
+    state: State<Arc<AppState>>,
+    Path(acc_id): Path<String>,
+) -> Result<Response, AppError> {
+    let exists = db::get_account(&acc_id, &state.pool).await?;
+    if !exists {
+        return Ok(html! { "The provided account ID doesn't eixst." }.into_response());
+    }
+    let caught_fish = db::get_caught_fish(&acc_id, &state.pool).await?;
+    Ok(templates::main_page(state, caught_fish, acc_id).into_response())
+}
+
+async fn insert_cf_handler(
+    state: State<Arc<AppState>>,
+    Path((acc_id, fish_id)): Path<(String, String)>,
+) -> Result<Response, AppError> {
+    let exists = db::get_account(&acc_id, &state.pool).await?;
+    if !exists {
+        return Ok(html! { "The provided account ID doesn't eixst." }.into_response());
+    }
+
+    db::insert_caught_fish(&acc_id, &fish_id.parse::<i32>().unwrap(), &state.pool).await?;
+
+    Ok(Redirect::to(&format!("/{}", acc_id)).into_response())
 }
 
 async fn to_handler(
@@ -81,6 +103,9 @@ async fn to_handler(
 
 #[tokio::main]
 async fn main() {
+    #[cfg(debug_assertions)]
+    dotenvy::dotenv().unwrap();
+
     tracing_subscriber::registry()
         .with(
             tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(|_| {
@@ -94,9 +119,9 @@ async fn main() {
         .with(tracing_subscriber::fmt::layer())
         .init();
 
-    let pool = SqlitePoolOptions::new()
+    let pool = PgPoolOptions::new()
         .max_connections(10)
-        .connect("sqlite://beacon.db")
+        .connect(&std::env::var("DATABASE_URL").unwrap())
         .await
         .unwrap();
 
@@ -106,6 +131,7 @@ async fn main() {
         .route("/", get(root_handler).post(new_account_handler))
         .route("/to", get(to_handler))
         .route("/{id}", get(main_handler))
+        .route("/{acc_id}/catch/{fish_id}", post(insert_cf_handler))
         .layer(TraceLayer::new_for_http())
         .nest_service("/static", ServeDir::new("static"))
         .with_state(Arc::new(AppState {
diff --git a/src/templates.rs b/src/templates.rs
index 720ff53..5652691 100644
--- a/src/templates.rs
+++ b/src/templates.rs
@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use axum::extract::State;
-use maud::{html, Markup, DOCTYPE};
+use maud::{html, Markup, PreEscaped, DOCTYPE};
 
 use crate::{clock, data::CombinedFish, AppState};
 
@@ -21,9 +21,16 @@ pub fn layout(content: Markup) -> Markup {
     }
 }
 
-pub fn main_page(state: State<Arc<AppState>>) -> Markup {
+pub fn main_page(state: State<Arc<AppState>>, caught_fish: Vec<i32>, acc_id: String) -> Markup {
     let meta = state.data.fish_with_meta();
-    let mut values: Vec<&CombinedFish> = meta.values().filter(|f| f.entry.big_fish).collect();
+    let mut values: Vec<&CombinedFish> = meta
+        .values()
+        .filter(|f| {
+            let is_big_fish = f.entry.big_fish;
+            let is_caught = caught_fish.contains(&(f.entry.id as i32));
+            is_big_fish && !is_caught
+        })
+        .collect();
     values.sort_by(|afish, bfish| {
         bfish
             .is_up
@@ -50,9 +57,16 @@ pub fn main_page(state: State<Arc<AppState>>) -> Markup {
         @for fish in values {
             section.up[fish.is_up].alwaysup[fish.is_always_up] {
                 .title {
-                    h3 { (fish.meta.name_en) }
-                    .subtitle {
-                        "Patch " (fish.entry.patch)
+                    div {
+                        form action=(format!("/{}/catch/{}", acc_id, fish.entry.id)) method="post" {
+                            button.catch-button type="submit" { (PreEscaped("&check;")) }
+                        }
+                    }
+                    div {
+                        h3 { (fish.meta.name_en) }
+                        .subtitle {
+                            "Patch " (fish.entry.patch)
+                        }
                     }
                 }
                 .when {
diff --git a/static/style.css b/static/style.css
index 2bbaf34..119e747 100644
--- a/static/style.css
+++ b/static/style.css
@@ -13,6 +13,9 @@ section {
 
 .title {
     padding: 5px 0;
+    display: flex;
+    align-items: center;
+    gap: 5px;
 }
 
 .title h3 {