diff --git a/Cargo.lock b/Cargo.lock
index 37adfb2..90fe71a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -30,6 +30,18 @@ version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7825f6833612eb2414095684fcf6c635becf3ce97fe48cf6421321e93bfbd53c"
 
+[[package]]
+name = "arc-swap"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d25d88fd6b8041580a654f9d0c581a047baee2b3efee13275f2fc392fc75034"
+
+[[package]]
+name = "arrayref"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
+
 [[package]]
 name = "arrayvec"
 version = "0.5.1"
@@ -125,6 +137,17 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "blake2b_simd"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8fb2d74254a3a0b5cac33ac9f8ed0e44aa50378d9dbb2e5d83bd21ed1dc2c8a"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "constant_time_eq",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -224,6 +247,16 @@ dependencies = [
  "ppv-lite86",
 ]
 
+[[package]]
+name = "cacher"
+version = "0.1.0"
+dependencies = [
+ "log 0.4.8",
+ "rusoto_core",
+ "rusoto_credential",
+ "rusoto_s3",
+]
+
 [[package]]
 name = "cast"
 version = "0.2.3"
@@ -310,6 +343,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dbbb57365263e881e805dc77d94697c9118fd94d8da011240555aa7b23445bd"
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+
 [[package]]
 name = "core-foundation"
 version = "0.6.4"
@@ -377,7 +416,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3aa945d63861bfe624b55d153a39684da1e8c0bc8fba932f7ee3a3c16cea3ca"
 dependencies = [
  "crossbeam-epoch",
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
 ]
 
 [[package]]
@@ -388,12 +427,21 @@ checksum = "5064ebdbf05ce3cb95e45c8b086f72263f4166b29b97f6baff7ef7fe047b55ac"
 dependencies = [
  "autocfg 0.1.7",
  "cfg-if",
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
  "lazy_static 1.4.0",
  "memoffset",
  "scopeguard",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
+dependencies = [
+ "crossbeam-utils 0.6.6",
+]
+
 [[package]]
 name = "crossbeam-queue"
 version = "0.2.1"
@@ -401,7 +449,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c695eeca1e7173472a32221542ae469b3e9aac3a4fc81f7696bcad82029493db"
 dependencies = [
  "cfg-if",
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+dependencies = [
+ "cfg-if",
+ "lazy_static 1.4.0",
 ]
 
 [[package]]
@@ -415,6 +473,16 @@ dependencies = [
  "lazy_static 1.4.0",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "csv"
 version = "1.1.3"
@@ -465,6 +533,17 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "dirs"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "dtoa"
 version = "0.4.5"
@@ -850,6 +929,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hex"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
+
 [[package]]
 name = "hexihasher"
 version = "0.1.0"
@@ -859,6 +944,16 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "hmac"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
+dependencies = [
+ "crypto-mac",
+ "digest",
+]
+
 [[package]]
 name = "http"
 version = "0.1.21"
@@ -1006,6 +1101,19 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "hyper-tls"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a800d6aa50af4b5850b2b0f659625ce9504df908e9733b635720483be26174f"
+dependencies = [
+ "bytes 0.4.12",
+ "futures",
+ "hyper 0.12.35",
+ "native-tls",
+ "tokio-io",
+]
+
 [[package]]
 name = "hyper-tls"
 version = "0.4.1"
@@ -1294,6 +1402,12 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 
+[[package]]
+name = "md5"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
+
 [[package]]
 name = "memchr"
 version = "2.3.0"
@@ -1368,12 +1482,24 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log 0.4.8",
- "miow",
+ "miow 0.2.1",
  "net2",
  "slab",
  "winapi 0.2.8",
 ]
 
+[[package]]
+name = "mio-named-pipes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5e374eff525ce1c5b7687c4cef63943e7686524a387933ad27ca7ec43779cb3"
+dependencies = [
+ "log 0.4.8",
+ "mio",
+ "miow 0.3.5",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "mio-uds"
 version = "0.6.7"
@@ -1397,6 +1523,16 @@ dependencies = [
  "ws2_32-sys",
 ]
 
+[[package]]
+name = "miow"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07b88fb9795d4d36d62a012dfbf49a8f5cf12751f36d31a9dbe66d528e58979e"
+dependencies = [
+ "socket2",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "mozjpeg"
 version = "0.8.15"
@@ -1682,6 +1818,7 @@ dependencies = [
 name = "photosync"
 version = "0.1.0"
 dependencies = [
+ "cacher",
  "criterion",
  "google-photoslibrary1",
  "google_api_auth",
@@ -2073,8 +2210,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08a89b46efaf957e52b18062fb2f4660f8b8a4dde1807ca002690868ef2c85a9"
 dependencies = [
  "crossbeam-deque",
- "crossbeam-queue",
- "crossbeam-utils",
+ "crossbeam-queue 0.2.1",
+ "crossbeam-utils 0.7.0",
  "lazy_static 1.4.0",
  "num_cpus",
 ]
@@ -2103,6 +2240,17 @@ dependencies = [
  "redox_syscall",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "rust-argon2",
+]
+
 [[package]]
 name = "regex"
 version = "1.3.4"
@@ -2154,7 +2302,7 @@ dependencies = [
  "http-body 0.3.1",
  "hyper 0.13.2",
  "hyper-rustls 0.19.1",
- "hyper-tls",
+ "hyper-tls 0.4.1",
  "js-sys",
  "lazy_static 1.4.0",
  "log 0.4.8",
@@ -2216,6 +2364,100 @@ dependencies = [
  "librocksdb-sys",
 ]
 
+[[package]]
+name = "rusoto_core"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1d1ecfe8dac29878a713fbc4c36b0a84a48f7a6883541841cdff9fdd2ba7dfb"
+dependencies = [
+ "base64 0.11.0",
+ "bytes 0.4.12",
+ "futures",
+ "http 0.1.21",
+ "hyper 0.12.35",
+ "hyper-tls 0.3.2",
+ "lazy_static 1.4.0",
+ "log 0.4.8",
+ "rusoto_credential",
+ "rusoto_signature",
+ "rustc_version 0.2.3",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "time",
+ "tokio 0.1.22",
+ "tokio-timer",
+ "xml-rs",
+]
+
+[[package]]
+name = "rusoto_credential"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8632e41d289db90dd40d0389c71a23c5489e3afd448424226529113102e2a002"
+dependencies = [
+ "chrono",
+ "dirs",
+ "futures",
+ "hyper 0.12.35",
+ "lazy_static 1.4.0",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "shlex",
+ "tokio-process",
+ "tokio-timer",
+]
+
+[[package]]
+name = "rusoto_s3"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fedcadf3d73c2925b05d547b66787f2219c5e727a98c893fff5cf2197dbd678"
+dependencies = [
+ "bytes 0.4.12",
+ "futures",
+ "rusoto_core",
+ "xml-rs",
+]
+
+[[package]]
+name = "rusoto_signature"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7063a70614eb4b36f49bcf4f6f6bb30cc765e3072b317d6afdfe51e7a9f482d1"
+dependencies = [
+ "base64 0.11.0",
+ "bytes 0.4.12",
+ "futures",
+ "hex",
+ "hmac",
+ "http 0.1.21",
+ "hyper 0.12.35",
+ "log 0.4.8",
+ "md5",
+ "percent-encoding 2.1.0",
+ "rusoto_credential",
+ "rustc_version 0.2.3",
+ "serde",
+ "sha2",
+ "time",
+ "tokio 0.1.22",
+]
+
+[[package]]
+name = "rust-argon2"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bc8af4bda8e1ff4932523b94d3dd20ee30a87232323eda55903ffd71d2fb017"
+dependencies = [
+ "base64 0.11.0",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils 0.7.0",
+]
+
 [[package]]
 name = "rust-embed"
 version = "5.3.0"
@@ -2493,6 +2735,16 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
+dependencies = [
+ "arc-swap",
+ "libc",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.2.3"
@@ -2520,6 +2772,18 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
 
+[[package]]
+name = "socket2"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "sourcefile"
 version = "0.1.4"
@@ -2594,6 +2858,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "subtle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
+
 [[package]]
 name = "syn"
 version = "1.0.14"
@@ -2814,7 +3084,7 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
  "futures",
 ]
 
@@ -2840,13 +3110,32 @@ dependencies = [
  "log 0.4.8",
 ]
 
+[[package]]
+name = "tokio-process"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "382d90f43fa31caebe5d3bc6cfd854963394fff3b8cb59d5146607aaae7e7e43"
+dependencies = [
+ "crossbeam-queue 0.1.2",
+ "futures",
+ "lazy_static 1.4.0",
+ "libc",
+ "log 0.4.8",
+ "mio",
+ "mio-named-pipes",
+ "tokio-io",
+ "tokio-reactor",
+ "tokio-signal",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "tokio-reactor"
 version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
  "futures",
  "lazy_static 1.4.0",
  "log 0.4.8",
@@ -2885,6 +3174,23 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "tokio-signal"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0c34c6e548f101053321cba3da7cbb87a610b85555884c41b07da2eb91aff12"
+dependencies = [
+ "futures",
+ "libc",
+ "mio",
+ "mio-uds",
+ "signal-hook-registry",
+ "tokio-executor",
+ "tokio-io",
+ "tokio-reactor",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "tokio-sync"
 version = "0.1.8"
@@ -2916,8 +3222,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
 dependencies = [
  "crossbeam-deque",
- "crossbeam-queue",
- "crossbeam-utils",
+ "crossbeam-queue 0.2.1",
+ "crossbeam-utils 0.7.0",
  "futures",
  "lazy_static 1.4.0",
  "log 0.4.8",
@@ -2932,7 +3238,7 @@ version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
- "crossbeam-utils",
+ "crossbeam-utils 0.7.0",
  "futures",
  "slab",
  "tokio-executor",
@@ -3214,9 +3520,9 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.1.20"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3921463c44f680d24f1273ea55efd985f31206a22a02dee207a2ec72684285ca"
+checksum = "99b53196ba54e91e31ba1e90309a31053218cc1d4697f6e48f7c7e3d255e64fc"
 dependencies = [
  "bytes 0.4.12",
  "futures",
@@ -3441,6 +3747,12 @@ dependencies = [
  "winapi-build",
 ]
 
+[[package]]
+name = "xml-rs"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
+
 [[package]]
 name = "yup-oauth2"
 version = "3.1.1"
diff --git a/Cargo.toml b/Cargo.toml
index a2cefec..339fa88 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ mime_guess = "2.0.1"
 rocksdb = "0.13.0"
 jpeg-decoder = "0.1.18"
 imageutils = { git = "https://git.z.xinu.tv/wathiede/imageutils" }
+cacher = { path = "../cacher" }
 
 [dependencies.prometheus]
 features = ["process"]
diff --git a/src/library.rs b/src/library.rs
index 5802069..4858167 100644
--- a/src/library.rs
+++ b/src/library.rs
@@ -5,6 +5,7 @@ use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
 
+use cacher::Cacher;
 use google_photoslibrary1 as photos;
 use image::imageops;
 use imageutils::{load_image, resize, resize_to_fill, save_to_jpeg_bytes, FilterType};
@@ -21,20 +22,28 @@ use rocksdb::DB;
 const LIBRARY_GENERATION: &'static str = "14";
 
 #[derive(Clone)]
-pub struct Library {
+pub struct Library<C>
+where
+    C: Cacher,
+{
     root: PathBuf,
     originals_dir: PathBuf,
     cache_db: Arc<DB>,
+    image_cache: C,
 }
 
-impl Library {
-    pub fn new(root: PathBuf) -> Result<Library, Box<dyn std::error::Error>> {
+impl<C> Library<C>
+where
+    C: Cacher,
+{
+    pub fn new(root: PathBuf, image_cache: C) -> Result<Library<C>, Box<dyn std::error::Error>> {
         let db = DB::open_default(root.join("cache"))?;
         let cache_db = Arc::new(db);
         let lib = Library {
             originals_dir: root.join("images").join("originals"),
             cache_db,
             root,
+            image_cache,
         };
         let cnt = lib.clean_db()?;
         if cnt != 0 {
@@ -51,7 +60,7 @@ impl Library {
     }
     // Removes all data in the database from older schema.
     pub fn clean_db(&self) -> Result<usize, rocksdb::Error> {
-        Library::gc(LIBRARY_GENERATION, &self.cache_db)
+        Library::<C>::gc(LIBRARY_GENERATION, &self.cache_db)
     }
     fn gc(generation: &str, db: &DB) -> Result<usize, rocksdb::Error> {
         let gen = format!("{}/", generation);
@@ -184,16 +193,22 @@ impl Library {
         dimensions: (Option<u32>, Option<u32>),
         fill: bool,
     ) -> Option<Vec<u8>> {
-        fn cache_key(media_items_id: &str, dimensions: (Option<u32>, Option<u32>)) -> String {
+        fn cache_key<C: Cacher>(
+            media_items_id: &str,
+            dimensions: (Option<u32>, Option<u32>),
+        ) -> String {
             let dim = match dimensions {
                 (Some(w), Some(h)) => format!("-w={}-h={}", w, h),
                 (Some(w), None) => format!("-w={}", w),
                 (None, Some(h)) => format!("-h={}", h),
                 (None, None) => "".to_string(),
             };
-            Library::generational_key(LIBRARY_GENERATION, &format!("{}{}", media_items_id, dim))
+            Library::<C>::generational_key(
+                LIBRARY_GENERATION,
+                &format!("{}{}", media_items_id, dim),
+            )
         }
-        let key = cache_key(media_items_id, dimensions);
+        let key = cache_key::<C>(media_items_id, dimensions);
         let db = self.cache_db.clone();
         match db.get(key.as_bytes()) {
             // Cache hit, return bytes as-is.
diff --git a/src/main.rs b/src/main.rs
index 7aa547e..6636d36 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,7 @@ use std::path::PathBuf;
 use std::thread;
 use std::time;
 
+use cacher::S3Cacher;
 use google_api_auth;
 use google_photoslibrary1 as photos;
 use hexihasher;
@@ -320,6 +321,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .init()
         .unwrap();
     debug!("opt: {:?}", opt);
+    let image_cache = S3Cacher::new("photosync")?;
     match opt.cmd {
         Command::ListAlbums { auth, title_filter } => {
             let client = new_client(&auth.credentials, &auth.token_cache)?;
@@ -340,14 +342,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                 },
         } => {
             let client = new_client(&auth.credentials, &auth.token_cache)?;
-            let lib = Library::new(root)?;
+            let lib = Library::new(root, image_cache)?;
             sync_albums(&client, &title_filter, &lib)?;
             Ok(())
         }
         Command::Serve {
             serve: Serve { addr, root },
         } => {
-            let lib = Library::new(root)?;
+            let lib = Library::new(root, image_cache)?;
             serve(addr, lib)
         }
         Command::ServeAndSync {
@@ -361,7 +363,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             addr,
         } => {
             let client = new_client(&auth.credentials, &auth.token_cache)?;
-            let lib = Library::new(root)?;
+            let lib = Library::new(root, image_cache)?;
             background_sync(client, interval, title_filter, lib.clone())?;
             serve(addr, lib)?;
             Ok(())
diff --git a/src/web.rs b/src/web.rs
index 8d832e8..fcac90d 100644
--- a/src/web.rs
+++ b/src/web.rs
@@ -2,6 +2,7 @@ use std::error::Error;
 use std::io::Write;
 use std::net::SocketAddr;
 
+use cacher::Cacher;
 use log::warn;
 use prometheus::Encoder;
 use rust_embed::RustEmbed;
@@ -53,7 +54,7 @@ fn index(path: warp::path::FullPath) -> Result<impl warp::Reply, warp::Rejection
     }
 }
 
-fn albums(lib: Library) -> Result<impl warp::Reply, warp::Rejection> {
+fn albums<C: Cacher>(lib: Library<C>) -> Result<impl warp::Reply, warp::Rejection> {
     let albums = lib.albums().map_err(|e| {
         warn!("Couldn't find albums: {}", e);
         warp::reject::not_found()
@@ -61,7 +62,7 @@ fn albums(lib: Library) -> Result<impl warp::Reply, warp::Rejection> {
     Ok(warp::reply::json(&albums))
 }
 
-fn album(lib: Library, id: String) -> Result<impl warp::Reply, warp::Rejection> {
+fn album<C: Cacher>(lib: Library<C>, id: String) -> Result<impl warp::Reply, warp::Rejection> {
     let album = lib.album(&id).map_err(|e| {
         warn!("Couldn't find album {}: {}", id, e);
         warp::reject::not_found()
@@ -76,8 +77,8 @@ struct ImageParams {
     fill: Option<bool>,
 }
 
-fn image(
-    lib: Library,
+fn image<C: Cacher>(
+    lib: Library<C>,
     media_items_id: String,
     params: ImageParams,
 ) -> Result<impl warp::Reply, warp::Rejection> {
@@ -122,24 +123,24 @@ fn embedz() -> Result<impl warp::Reply, warp::Rejection> {
         .body(w))
 }
 
-pub fn run(addr: SocketAddr, lib: Library) -> Result<(), Box<dyn Error>> {
+pub fn run<C: Cacher>(addr: SocketAddr, lib: Library<C>) -> Result<(), Box<dyn Error>> {
     let lib = warp::any().map(move || lib.clone());
 
     let index = warp::get2().and(warp::path::full()).and_then(index);
 
-    let albums = warp::path("albums").and(lib.clone()).and_then(albums);
+    let albums = warp::path("albums").and(lib.clone()).and_then(index);
     let embedz = warp::path("embedz").and_then(embedz);
 
     let album = warp::path("album")
         .and(lib.clone())
         .and(warp::path::param())
-        .and_then(album);
+        .and_then(index);
 
     let image = warp::path("image")
         .and(lib.clone())
         .and(warp::path::param())
         .and(warp::query::<ImageParams>())
-        .and_then(image);
+        .and_then(index);
 
     let api = albums.or(album).or(image);
     let api = warp::path("api").and(api);