Reloads nginx after substituting environment variables
This commit is contained in:
Aaron Louie
parent
9918c872e0
commit
0728801a13
11
Dockerfile
11
Dockerfile
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@ -14,7 +14,7 @@ RUN npm install && \
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npm run build:$build_config
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### STAGE 2: Run ###
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FROM nginx:alpine as runtime
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FROM nginx:alpine
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RUN set -x && apk add --update --no-cache bash libintl gettext curl
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COPY --from=builder /crc-bpmn/dist/* /etc/nginx/html/
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@ -24,11 +24,14 @@ COPY --from=builder /crc-bpmn/nginx.conf /etc/nginx/conf.d/default.conf
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COPY ./docker/substitute-env-variables.sh ./entrypoint.sh
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RUN chmod +x ./entrypoint.sh
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# Substitute environment variables in nginx configuration and index.html
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# The entrypoint.sh script will run after the container finishes starting.
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# Substitutes environment variables in nginx configuration and index.html,
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# then reloads nginx.
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ENTRYPOINT ["./entrypoint.sh", \
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"/etc/nginx/html/index.html,/etc/nginx/conf.d/default.conf", \
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"PRODUCTION,API_URL,IRB_URL,HOME_ROUTE,BASE_HREF,PORT0", \
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"/etc/nginx/html"]
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"/etc/nginx/html", \
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"true"]
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### STAGE 3: Profit! ###
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CMD ["nginx", "-s", "reload"]
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CMD ["nginx", "-g", "daemon off;"]
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@ -62,21 +62,21 @@ services:
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- "5000:5000"
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command: ./wait-for-it.sh pb:5001 -t 0 -- ./docker_run.sh
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# # Uncomment for debugging
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# bpmn:
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# container_name: bpmn
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# depends_on:
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# - db
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# - pb
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# - ldap
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# - backend
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# image: sartography/cr-connect-bpmn:$E2E_TAG
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# environment:
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# - API_URL=http://localhost:5000/v1.0
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# - BASE_HREF=/bpmn
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# - HOME_ROUTE=home
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# - IRB_URL=http://localhost:5001/
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# - PORT0=5002
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# - PRODUCTION=false
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# ports:
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# - "5002:5002"
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# Uncomment for debugging
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bpmn:
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container_name: bpmn
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depends_on:
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- db
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- pb
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- ldap
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- backend
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image: sartography/cr-connect-bpmn:$E2E_TAG
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environment:
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- API_URL=http://localhost:5000/v1.0
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- BASE_HREF=/bpmn
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- HOME_ROUTE=home
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- IRB_URL=http://localhost:5001/
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- PORT0=5002
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- PRODUCTION=false
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ports:
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- "5002:5002"
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@ -6,26 +6,40 @@
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# $1: Comma-delimited list of file paths
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# $2: Comma-delimited list of environment variables
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# $3: Absolute path to nginx html directory (optional)
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# $4: Should restart nginx (optional)
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#####################################################################
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echo 'Substituting environment variables...'
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num_args=0
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# The first parameter is a comma-delimited list of paths to files which should be substituted
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if [[ -z $1 ]]; then
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echo 'ERROR: No target files given.'
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exit 1
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else
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num_args=1
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fi
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# The second parameter is a comma-delimited list of environment variable names
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if [[ -z $2 ]]; then
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echo 'ERROR: No environment variables given.'
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exit 1
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else
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num_args=2
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fi
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# The third parameter is the absolute path to the nginx html directory
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if [[ -z $2 ]]; then
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echo 'ERROR: No path to nginx html directory given.'
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exit 1
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if [[ -z $3 ]]; then
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echo '' # It's optional. Don't print anything.
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else
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num_args=3
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fi
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# The fourth parameter, if 'true', is whether we should reload nginx
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if [[ -z $4 ]]; then
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echo '' # It's optional. Don't print anything.
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else
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num_args=4
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fi
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# Add trailing slash to $BASE_HREF if needed
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@ -35,7 +49,7 @@ if [[ "$2" == *"BASE_HREF"* ]]; then
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[[ $last_char != "/" ]] && BASE_HREF="$BASE_HREF/"; :
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# The third parameter is the absolute path to the nginx html directory
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if [[ $# -ge 3 ]]; then
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if [[ $num_args -ge 3 ]]; then
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# Replace all instances of __REPLACE_ME_WITH_BASE_HREF__ with $BASE_HREF
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find "$3" \( -type d -name .git -prune \) -o -type f -print0 | \
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xargs -0 sed -i 's@__REPLACE_ME_WITH_BASE_HREF__@'"$BASE_HREF"'@g'
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@ -71,11 +85,18 @@ do
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echo "$env_var = ${!env_var}"
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done
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# Execute all other commands with parameters
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if [[ $# -gt 3 ]]; then
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exec "${@:4}"
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else
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if [[ $# -gt 2 ]]; then
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exec "${@:3}"
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# Reload nginx
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if [ $num_args -ge 4 ] && [ "$4" == "true" ]; then
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# Check to see if nginx command is available
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if hash nginx 2> /dev/null; then
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echo "Reloading nginx..."
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exec nginx -s reload
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echo "nginx reloaded."
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else
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echo "nginx command not found on this system."
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fi
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fi
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# Execute all other commands with parameters
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num_args=$((num_args + 1))
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exec "${@:num_args}"
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