diff --git a/.drone-ci.yml b/.drone-ci.yml
new file mode 100644
index 0000000..1c679d7
--- /dev/null
+++ b/.drone-ci.yml
@@ -0,0 +1,10 @@
+kind: pipeline
+type: kubernetes
+name: default
+
+steps:
+  - name: test
+    image: rust:1.56
+    commands:
+      - cargo build --verbose --all
+      - cargo test --verbose --all
diff --git a/input/day1 b/input/day01
similarity index 100%
rename from input/day1
rename to input/day01
diff --git a/src/day1.rs b/src/day01.rs
similarity index 78%
rename from src/day1.rs
rename to src/day01.rs
index 8e61700..9367924 100644
--- a/src/day1.rs
+++ b/src/day01.rs
@@ -1,9 +1,7 @@
-use std::fs::read_to_string;
-
 #[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
-pub struct Day1(Vec<i32>);
+pub struct Day01(Vec<i32>);
 
-impl crate::day::Day for Day1 {
+impl crate::day::Day for Day01 {
     fn init(f: String) -> Self {
         let v = f.split('\n').map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
         Self(v)
@@ -36,20 +34,20 @@ fn increments((a, b): (i32, i32), c: &i32) -> (i32, i32) {
 #[cfg(test)]
 pub mod tests {
     use std::fs::read_to_string;
-    use super::Day1;
+    use super::Day01;
     use crate::day::Day;
 
     #[test]
     pub fn part1_real() {
-        let f = read_to_string("./input/day1").expect("Could not load input");
-        let d = Day1::init(f);
+        let f = read_to_string("./input/day01").expect("Could not load input");
+        let d = Day01::init(f);
         assert_eq!("1466", d.part1())
     }
 
     #[test]
     pub fn part2_real() {
-        let f = read_to_string("./input/day1").expect("Could not load input");
-        let d = Day1::init(f);
+        let f = read_to_string("./input/day01").expect("Could not load input");
+        let d = Day01::init(f);
         assert_eq!("1491", d.part2())
     }
 
@@ -57,7 +55,7 @@ pub mod tests {
     pub fn part1_test() {
         let v = vec![199, 200, 208, 210, 200, 207, 240, 269, 260, 263];
         let strs = v.iter().map(i32::to_string).collect::<Vec<String>>().join("\n");
-        let d = Day1::init(strs);
+        let d = Day01::init(strs);
         assert_eq!("7", d.part1())
     }
 
@@ -65,7 +63,7 @@ pub mod tests {
     pub fn part2_test() {
         let v = vec![199, 200, 208, 210, 200, 207, 240, 269, 260, 263];
         let strs = v.iter().map(i32::to_string).collect::<Vec<String>>().join("\n");
-        let d = Day1::init(strs);
+        let d = Day01::init(strs);
         assert_eq!("5", d.part2())
     }
 }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 6bcd23b..24e676e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,11 @@
 use std::fs::read_to_string;
-use std::time::SystemTime;
 use chrono::Datelike;
-use clap::{App, Arg, SubCommand};
-use crate::day1::Day1;
+use clap::{App, Arg};
+use crate::day01::Day01;
 use crate::day::Day;
 
 mod day;
-mod day1;
+mod day01;
 
 fn load_input(day: &str) -> String {
     read_to_string(format!("./input/day{}", day)).expect("Could not load input")
@@ -41,9 +40,9 @@ fn main() {
             .multiple(true))
         .get_matches();
 
-    let days: Vec<Box<dyn Day>> = vec![Box::new(Day1::init(load_input("1")))];
+    let days: Vec<Box<dyn Day>> = vec![Box::new(Day01::init(load_input("01")))];
 
-    let verbosity = matches.occurrences_of("v");
+    let _verbosity = matches.occurrences_of("v");
     if matches.is_present("all") {
         let l = days.len();
         println!("running {} days!", l);