diff --git a/.github/workflows/audit-on-push.yml b/.github/workflows/audit-on-push.yml
deleted file mode 100644
index e46bb3c..0000000
--- a/.github/workflows/audit-on-push.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-name: Security audit
-on:
-  push:
-    paths:
-      - '**/Cargo.toml'
-      - '**/Cargo.lock'
-jobs:
-  security_audit:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/audit-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
new file mode 100644
index 0000000..7c7cb7d
--- /dev/null
+++ b/.github/workflows/audit.yml
@@ -0,0 +1,16 @@
+name: Security audit
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  push:
+    paths:
+      - '**/Cargo.toml'
+      - '**/Cargo.lock'
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: taiki-e/install-action@cargo-deny
+      - name: Scan for vulnerabilities
+        run: cargo deny check advisories
\ No newline at end of file
diff --git a/.github/workflows/general.yml b/.github/workflows/general.yml
index 8e2d77f..ef2cd93 100644
--- a/.github/workflows/general.yml
+++ b/.github/workflows/general.yml
@@ -14,6 +14,8 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  SQLX_VERSION: 0.6.2
+  SQLX_FEATURES: "rustls,postgres"
 
 jobs:
   test:
@@ -21,195 +23,112 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:12
+        image: postgres:15
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: password
           POSTGRES_DB: postgres
         ports:
           - 5432:5432
-    env:
-      SQLX_VERSION: 0.6.2
-      SQLX_FEATURES: "rustls,postgres"
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - name: Cache dependencies
-        id: cache-dependencies
-        uses: actions/cache@v2
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
         with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-
-      - name: Cache sqlx-cli
-        uses: actions/cache@v2
-        id: cache-sqlx
-        with:
-          path: |
-            ~/.cargo/bin/sqlx
-            ~/.cargo/bin/cargo-sqlx
-          key: ${{ runner.os }}-sqlx-${{ env.SQLX_VERSION }}
+          key: sqlx-${{ env.SQLX_VERSION }}
       - name: Install sqlx-cli
-        uses: actions-rs/cargo@v1
-        if: steps.cache-sqlx.outputs.cache-hit == false
-        with:
-          command: install 
-          args: >
-            sqlx-cli
-            --force
+        run:
+            cargo install sqlx-cli
             --version=${{ env.SQLX_VERSION }}
             --features ${{ env.SQLX_FEATURES }}
             --no-default-features
             --locked
-
       - name: Migrate database
         run: |
           sudo apt-get install libpq-dev -y
           SKIP_DOCKER=true ./scripts/init_db.sh
-
       - name: Check sqlx-data.json is up-to-date
         run: |
           cargo sqlx prepare --check -- --bin zero2prod
-
-      - name: Run cargo test
-        uses: actions-rs/cargo@v1
-        with:
-          command: test
+      - name: Run tests
+        run: cargo test
 
   fmt:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          override: true
           components: rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+      - name: Enforce formatting
+        run: cargo fmt --check
 
   clippy:
     name: Clippy
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:12
+        image: postgres:15
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: password
           POSTGRES_DB: postgres
         ports:
           - 5432:5432
-    env:
-      SQLX_VERSION: 0.6.2
-      SQLX_FEATURES: "rustls,postgres"
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
-          toolchain: stable
-          override: true
-
-      - name: Cache sqlx-cli
-        uses: actions/cache@v2
-        id: cache-sqlx
+      - uses: Swatinem/rust-cache@v2
         with:
-          path: |
-            ~/.cargo/bin/sqlx
-          key: ${{ runner.os }}-sqlx-${{ env.SQLX_VERSION }}
-
-      - name: Install sqlx-cli 
-        uses: actions-rs/cargo@v1
-        if: steps.cache-sqlx.outputs.cache-hit == false
-        with:
-          command: install 
-          args: >
-            sqlx-cli
-            --force
+          key: sqlx-${{ env.SQLX_VERSION }}
+      - name: Install sqlx-cli
+        run:
+          cargo install sqlx-cli
             --version=${{ env.SQLX_VERSION }}
             --features ${{ env.SQLX_FEATURES }}
             --no-default-features
             --locked
-
       - name: Migrate database
         run: |
           sudo apt-get install libpq-dev -y
           SKIP_DOCKER=true ./scripts/init_db.sh
-
-      - name: Run clippy
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: -- -D warnings
+      - name: Linting
+        run: cargo clippy -- -D warnings
 
   coverage:
     name: Code coverage
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:12
+        image: postgres:15
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: password
           POSTGRES_DB: postgres
         ports:
           - 5432:5432
-    env:
-      SQLX_VERSION: 0.6.2
-      SQLX_FEATURES: "rustls,postgres"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
+        uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Install libpq
+        run: sudo apt-get update && sudo apt-get install postgresql-client -y
+      - uses: Swatinem/rust-cache@v2
         with:
-          toolchain: stable
-          override: true
-
-      - name: Cache sqlx-cli
-        uses: actions/cache@v2
-        id: cache-sqlx
-        with:
-          path: |
-            ~/.cargo/bin/sqlx
-          key: ${{ runner.os }}-sqlx-${{ env.SQLX_VERSION }}
-
-      - name: Install sqlx-cli 
-        uses: actions-rs/cargo@v1
-        if: steps.cache-sqlx.outputs.cache-hit == false
-        with:
-          command: install 
-          args: >
-            sqlx-cli
-            --force
-            --version=${{ env.SQLX_VERSION }}
-            --features ${{ env.SQLX_FEATURES }}
-            --no-default-features
-            --locked
-
+          key: sqlx-${{ env.SQLX_VERSION }}
+      - name: Install tarpaulin
+        run: cargo install cargo-tarpaulin
+      - name: Install sqlx-cli
+        run:
+          cargo install sqlx-cli
+          --version=${{ env.SQLX_VERSION }}
+          --features ${{ env.SQLX_FEATURES }}
+          --no-default-features
+          --locked
       - name: Migrate database
-        run: |
-          sudo apt-get install libpq-dev -y
-          SKIP_DOCKER=true ./scripts/init_db.sh
-
-      - name: Run cargo-tarpaulin
-        uses: actions-rs/tarpaulin@v0.1
-        with:
-          args: '--ignore-tests --avoid-cfg-tarpaulin'
+        run: SKIP_DOCKER=true ./scripts/init_db.sh
+      - name: Generate code coverage
+        run: cargo tarpaulin --verbose --workspace
diff --git a/.github/workflows/scheduled-audit.yml b/.github/workflows/scheduled-audit.yml
deleted file mode 100644
index ee08c8f..0000000
--- a/.github/workflows/scheduled-audit.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-name: Security audit
-on:
-  schedule:
-    - cron: '0 0 * * *'
-jobs:
-  audit:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/audit-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/scripts/init_db.sh b/scripts/init_db.sh
index e138eb0..62e4cc4 100755
--- a/scripts/init_db.sh
+++ b/scripts/init_db.sh
@@ -56,7 +56,7 @@ done
 
 >&2 echo "Postgres is up and running on port ${DB_PORT} - running migrations now!"
 
-export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}
+export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@${DB_HOST}:${DB_PORT}/${DB_NAME}
 sqlx database create
 sqlx migrate run