Add two environement variable for read and write db (#16)

We will need to use two different variables for READ and WRITE DB URL so
this PR adds them both. Alongside the old `DATABASE_URL` to avoid having
bugs during the transition.

README.md

@@ -58,7 +58,7 @@ jobs:
 
       - name: Deploy
         id: deploy
-        uses: fewlinesco/fly-io-review-apps@v3.4
+        uses: fewlinesco/fly-io-review-apps@v3.5
 ```
 
 ## Cleaning up GitHub environments
@@ -86,7 +86,7 @@ jobs:
 
       - name: Deploy app
         id: deploy
-        uses: fewlinesco/fly-io-review-apps@v3.4
+        uses: fewlinesco/fly-io-review-apps@v3.5
 
       - name: Clean up GitHub environment
         uses: strumwolf/delete-deployment-environment@v2
@@ -111,7 +111,7 @@ steps:
 
   - name: Deploy app
     id: deploy
-    uses: fewlinesco/fly-io-review-apps@v3.4
+    uses: fewlinesco/fly-io-review-apps@v3.5
     with:
       postgres: true
 ```
@@ -125,7 +125,7 @@ steps:
 
   - name: Deploy app
     id: deploy
-    uses: fewlinesco/fly-io-review-apps@v3.4
+    uses: fewlinesco/fly-io-review-apps@v3.5
     with:
       postgres: true
       region: cdg
@@ -146,7 +146,7 @@ steps:
   - uses: actions/checkout@v3
 
   - name: Deploy redis
-    uses: fewlinesco/fly-io-review-apps@v3.4
+    uses: fewlinesco/fly-io-review-apps@v3.5
     with:
       update: false # Don't need to re-deploy redis when the PR is updated
       path: redis # Keep fly.toml in a subdirectory to avoid confusing flyctl
@@ -155,7 +155,7 @@ steps:
 
   - name: Deploy app
     id: deploy
-    uses: fewlinesco/ffly-io-review-apps@v3.4
+    uses: fewlinesco/ffly-io-review-apps@v3.5
     with:
       name: pr-${{ github.event.number }}-myapp-app
 ```

entrypoint.sh

@@ -66,8 +66,9 @@ if ! flyctl status --app "$app"; then
       # Fix until Prisma can deal with IPv6 or Fly gives us something else
       # see https://github.com/prisma/prisma/issues/18079
       connection_string=$(echo $db_output | sed -e 's/[[:space:]]*DATABASE_URL=//g')
-      new_connection_string=$(echo $connection_string | sed -e "s/\.flycast/.internal/g")
-      bash -c "flyctl deploy --app "\""$app"\"" --image "\""$image"\"" --region "\""$region"\"" --env DATABASE_URL="\""$new_connection_string"\"" $(for secret in $(echo $INPUT_SECRETS | tr ";" "\n") ; do
+      database_url_write=$(echo $connection_string | sed -e "s/\.flycast/.internal/g")
+      database_url_read=$(echo $connection_string | sed -e "s/5432/5433/g")
+      bash -c "flyctl deploy --app "\""$app"\"" --image "\""$image"\"" --region "\""$region"\"" --env DATABASE_URL="\""$database_url_write"\"" --env DATABASE_URL_WRITE="\""$database_url_write"\"" --env DATABASE_URL_READ="\""$database_url_read"\"" $(for secret in $(echo $INPUT_SECRETS | tr ";" "\n") ; do
         value="${secret}"
         echo -n "--env $secret='${!value}' "
       done)"
@@ -77,7 +78,7 @@ if ! flyctl status --app "$app"; then
   fi
 
   # Set current secrets for future deployments as they are not persisted when used with --env above
-  bash -c "flyctl secrets set --app "\""$app"\"" DATABASE_URL="\""$new_connection_string"\"" $(for secret in $(echo $INPUT_SECRETS | tr ";" "\n") ; do
+  bash -c "flyctl secrets set --app "\""$app"\"" DATABASE_URL="\""$database_url_write"\"" DATABASE_URL_WRITE="\""$database_url_write"\"" DATABASE_URL_READ="\""$database_url_read"\"" $(for secret in $(echo $INPUT_SECRETS | tr ";" "\n") ; do
     value="${secret}"
     echo -n " $secret='${!value}' "
   done) || true"